Monographs and edited volumes

  • Mazvimavi, D., I. Nhapi, W. Mulwafu, D. Juizo, F. Kansiime and P. van der Zaag (guest editors), 2010. 10th WaterNet/WARFSA/GWP-SA Symposium: IWRM - Environmental Sustainability, Climate Change and Livelihoods. Special issue Physics and Chemistry of the Earth 35(13-14): 561-847 [ISSN 1474-7065]
  • Van der Zaag, P., H. Kunstmann, D. Rosbjerg, S. Uhlenbrook, N. van de Giesen and M. Mul, 2009. Integrated Water Resources Assessment, with Special Focus on Developing Countries. Special issue. Physics and Chemistry of the Earth 34(4-5): 209-340
  • Van de Giesen, N., S. Uhlenbrook, D. Rosbjerg and P. van der Zaag (guest editors), 2008, Hydrological assessment and Integrated Water Resources Management with special focus on developing countries. Special issue, Physics and Chemistry of the Earth 33(1-2): 1-191 [ISSN 1474-7065]
  • Bolding, A., J. Mutimba and P. van der Zaag (eds.), 2003. Agricultural intervention in Zimbabwe; new perspectives on extension. University of Zimbabwe Publications, Harare; 338 pp [ISBN 0-908307-52-7]
  • Hassan, F.A., M. Reuss, J. Trottier, C. Bernhardt, A.T. Wolf, J. Mohamed-Katerere and P. van der Zaag, 2003. History and Future of Shared Water Resources. IHP Technical Documents - PCCP series No. 6. UNESCO, Paris, 150 pp [http://webworld.unesco.org/water/wwap/pccp/cd/history.html]
  • Carmo Vaz, A., and P. van der Zaag, 2003. Sharing the Incomati waters: cooperation and competition in the balance. IHP Technical Documents - PCCP series No. 14. UNESCO, Paris; 102 pp
    [http://webworld.unesco.org/water/wwap/pccp/cd/incomati.html]
  • Savenije, H.H.G., P. van der Zaag, and A.T. Wolf (guest editors), 2000. The management of shared river basins. Special issue. Water Policy 2 (1-2). Elsevier Science, Oxford; 149 pp [ISSN 1366-7017]
  • Manzungu, E., A. Senzanje and P. van der Zaag (eds.), 1999. Water for agriculture in Zimbabwe: policy and management options for the smallholder sector. University of Zimbabwe Publications, Harare; 275 pp. [ISBN 0-908307-63-2] [http://www.uz.ac.zw/publications/books/agric.html]
  • Savenije, H.H.G. and P. van der Zaag (eds.), 1998. The management of shared river basins; experiences from SADC and EU. Focus on Development 8. Ministry of Foreign Affairs, The Hague; 164 pp. [ISBN 90-5328-169-X]
  • Manzungu, E., and P. van der Zaag (eds.), 1996. The practice of smallholder irrigation; case studies from Zimbabwe. University of Zimbabwe Publications, Harare; 235 pp. [ISBN 0-908307-51-9] [http://www.uz.ac.zw/publications/books/agric.html]
  • Van der Zaag, P., 1992. Chicanery at the canal; changing practice in irrigation management in Western Mexico. Latin America Studies, 65. CEDLA, Amsterdam; 267 pp. [ISBN 90-70280-34-5] [http://library.wur.nl/wda/abstracts/ab1495.html]

Articles in refereed journals

  • Komakech H.C., Mul M., Van der Zaag P., Rwehumbiza F.B.R., 2010. Potential of spate irrigation in improving rural livelihoods: case of Makanya spate irrigation system, Tanzania. Agricultural Water Management [doi:10.1016/j.agwat.2010.07.017]
  • Komakech H., Van Koppen B., Kemerink J., Mahoo H., Van der Zaag P., 2010. Pangani River Basin over time and space: on the interface of local and basin level responses. Agricultural Water Management [doi:10.1016/j.agwat.2010.06.011]
  • Mul, M.L., J.S. Kemerink, N.F. Vyagusa, M.G. Mshana, P. van der Zaag and H. Makurira, 2010. Water allocation practices among smallholder farmers in the South Pare Mountains, Tanzania: The issue of scale. Agricultural Water Management [doi:10.1016/j.agwat.2010.02.014]
  • Love, D., P. van der Zaag. S. Uhlenbrook and R. Owen, 2010. A water balance modelling approach to optimising the use of water resources in ephemeral sand rivers. River Research and Applications [doi:10.1002/rra.1408]
  • Nazer, D., M. Siebel and P. van der Zaag, Z. Mimi and H.J. Gijzen, 2010. A Financial, Environmental and Social Evaluation of Domestic Water Management Options in the West Bank, Palestine. Water Resources Management 24 (15): 4445-4467 [doi:10.1007/s11269-010-9667-z]
  • Ofosu, E.A., P. van der Zaag, N. van de Giesen and S. N. Odai, 2010. Productivity of irrigation technologies in the White Volta sub-basin. Physics and Chemistry of the Earth 35 (13-14): 706-716 [doi:10.1016/j.pce.2010.07.005]
  • Van der Zaag, P., D. Juizo, A. Vilanculos, A. Bolding and N. Post Uiterweer, 2010. Does the Limpopo river basin have sufficient water for massive irrigation development in the plains of Mozambique? Physics and Chemistry of the Earth 35 (13-14): 832-837 [doi:10.1016/j.pce.2010.07.026]
  • Love, D., S. Uhlenbrook, S. Twomlow and P. van der Zaag, 2010. Changing hydroclimatic and discharge patterns in the northern Limpopo Basin, Zimbabwe. Water SA 36(3): 335-350. [Available online http://www.wrc.org.za]
  • Love D., Uhlenbrook S., Corzo-Perez G., Twomlow S., Van der Zaag P., 2010. Rainfall-interception-evaporation-runoff relationships in a semi-arid catchment, northern Limpopo basin, Zimbabwe. Hydrological Sciences Journal, vol. 55, issue 5, pp. 687-703 [doi:10.1080/02626667.2010.494010]
  • Van der Zaag, P., 2010. Viewpoint – Water variability, soil nutrient heterogeneity and market volatility – Why sub-Saharan Africa’s Green Revolution will be location-specific and knowledge-intensive. Water Alternatives 3(1): 154-160. [Available online http://www.water-alternatives.org]
  • Swatuk, L.A., and P. van der Zaag, 2009. River Basin Security: Theory and Practice in the Save and Pungwe River Basins of Zimbabwe and Mozambique. Georgetown International Environmental Law Review 21(4): 705-731
  • Lamei, A., P. van der Zaag and E. Imam, 2009. Integrating wastewater reuse in water resources management for hotels in arid coastal regions - Case Study of Sharm El Sheikh, Egypt. Water Science and Technology 60(9): 2235–2243. [doi:10.2166/wst.2009.685]
  • Lamei, A, Tilmant, A, van der Zaag, P, Imam, E, 2009. Dynamic programming of capacity expansion for reverse osmosis desalination plant: Sharm El Sheikh, Egypt. Water Science and Technology- Water Supply 9(3): 233-246. [doi:10.2166/ws.2009.407]
  • Kemerink, J.S., R. Ahlers and P. van der Zaag, 2009. Assessment of the potential for hydro-solidarity within plural legal conditions of traditional irrigation systems in northern Tanzania. Physics and Chemistry of the Earth 34: 881-889 [doi:10.1016/j.pce.2009.06.012]
  • Van der Zaag, P., J. Gupta and P. Darvis, 2009. Urgent water challenges are not sufficiently researched. HESS Opinions. Hydrology and Earth System Sciences 13: 905-912 [http://www.hydrol-earth-syst-sci.net/13/905/2009/]
  • Gupta, J., and P. van der Zaag, 2009. The politics of water science: On unresolved water problems and biased research agendas. Global Environmental Politics 9(2): 14-24. [doi:10.1162/glep.2009.9.2.14]
  • Lamei, A., von Münch, E., van der Zaag, P., Imam, E., 2009. Optimum contracted-for water supply for hotels in arid coastal regions. Water Science & Technology 59: 1541-1550 [doi:10.2166/wst.2009.151]
  • Van der Zaag, P., 2009. Sharing knowledge for water sharing. Irrigation and Drainage 58: 177-187 [doi:10.1002/ird.494]
  • Lamei, A., Van der Zaag, P., von Münch, E, 2009. Water resources management to satisfy high water in the arid Sharm El Sheikh, the Red Sea, Egypt. Desalination and Water Treatment Vol 1; pp. 299-306 [http://www.deswater.com/articoli/119.pdf]
  • Annor, F.O., N. van de Giesen, J. Liebe, P. van der Zaag, A. Tilmant and S.N. Odai, 2009. Delineation of small reservoirs using radar imagery in a semi-arid environment: a case study in the Upper East Region of Ghana. Physics and Chemistry of the Earth 34: 309-315 [doi:10.1016/j.pce.2008.08.005]
  • Verma, S., D.A. Kampman, P. van der Zaag and A.Y. Hoekstra, 2009. Going against the flow: A critical analysis of virtual water trade in the context of India’s National River Linking Program. Physics and Chemistry of the Earth 34: 261-269 [doi:10.1016/j.pce.2008.05.002]
  • Komnenic, V., R. Ahlers and P. van der Zaag, 2009. Assessing the usefulness of the Water Poverty Index by applying it to a special case: Can one be water poor with high levels of access? Physics and Chemistry of the Earth 34: 219-224 [doi:10.1016/j.pce.2008.03.005]
  • Van der Zaag, P., and J. Gupta, 2008. Scale issues in the governance of water storage projects. Water Resour. Res. 44, W10417 [doi:10.1029/2007WR006364]
  • Van der Zaag, P., 2008. Book review - Adaptive and integrated water management: coping with complexity and uncertainty, by Claudia Pahl-Wostl, Pavel Kabat and Jörn Möltgens (editors). EOS, Transactions American Geophysical Union 89(33): 306. [doi:10.1029/2008EO330009]
  • Savenije, H.H.G., and P. van der Zaag, 2008. Integrated water resources management concepts and issues. Physics and Chemistry of the Earth 33: 290-297 [doi:10.1016/j.pce.2008.02.003]
  • Lamei, A., van der Zaag, P., von Münch, E., 2008. Impact of solar energy cost on water production cost of seawater desalination plants in Egypt. Energy Policy 36: 1748-1756 [doi:10.1016/j.enpol.2007.12.026]
  • Nazer D.W., M.A. Siebel, P. Van der Zaag, Z. Mimi and H.J. Gijzen, 2008. Water footprint of the Palestinians in the West Bank. Journal of the American Water Resources Association 44 (2): 449–458 [doi:10.1111/j.1752-1688.2008.00174.x]
  • Lamei, A., Van der Zaag, P., von Münch, E, 2008. Basic cost equations to estimate unit production costs for RO desalination and long-distance piping to supply water to tourism-dominated arid coastal regions of Egypt. Desalination 225: 1-12 [doi:10.1016/j.desal.2007.08.003]
  • Vishnudas, S., H.H.G. Savenije, P. van der Zaag, C.E. Ajith Kumar and K.R. Anil, 2008. Sustainability analysis of two participatory watershed projects in Kerala. Physics and Chemistry of the Earth 33: 1-12 [doi:10.1016/j.pce.2007.04.004]
  • Gupta, J., and P. van der Zaag, 2008. Interbasin water transfers and integrated water resources management: Where engineering, science and politics interlock. Physics and Chemistry of the Earth 33: 28-40 [doi:10.1016/j.pce.2007.04.003]
  • Vishnudas, S., H.H.G. Savenije, P. van der Zaag, K.R. Anil and K. Balan, 2008. Participatory research using coir geotextiles in watershed management – A case study in south India. Physics and Chemistry of the Earth 33: 41-47 [doi:10.1016/j.pce.2007.04.016]
  • Mokorosi, P.S., and P. van der Zaag, 2007. Can local people also gain from benefit sharing in water resources development? Experiences from dam development in the Orange-Senqu river basin. Physics and Chemistry of the Earth [doi:10.1016/j.pce.2007.07.028].
  • Van der Zaag, P., 2007. The impact of a regional water resources capacity building: citations of the published proceedings of the WaterNet /WARFSA/GWP-SA symposia in Southern Africa, 2001-2005. Physics and Chemistry of the Earth [doi:10.1016/j.pce.2007.07.035]
  • Tilmant, A., P. van der Zaag and P. Fortemps, 2007. Modeling and analysis of collective management of water resources. Hydrol. Earth Syst. Sci. 11: 711-720 [http://direct.sref.org/1607-7938/hess/2007-11-711]
  • Van der Zaag, P., 2007. Asymmetry and equity in water resources management; critical governance issues for Southern Africa. Water Resources Management. [doi:10.1007/s11269-006-9124-1]
  • Love, D., Twomlow S., Mupangwa W., Van der Zaag P., Gumbo B., 2006. Implementing the millennium development food security goals – Challenges of the southern African context. Physics and Chemistry of the Earth 31 (15-16): 731-737. [doi:10.1016/j.pce.2006.08.002]
  • LeMarie M., Van der Zaag P., Menting G., Baquete E., and Schotanus D., 2006. The use of remote sensing for monitoring environmental indicators: The case of the Incomati estuary, Mozambique. Physics and Chemistry of the Earth 31 (15-16): 857-863. [doi:10.1016/j.pce.2006.08.023]
  • Vishnudas, S., H.H.G. Savenije, P. van der Zaag, K.R. Anil and K. Balan, 2006. The protective and attractive covering of a vegetated embankment using coir geotextiles. Hydrol. Earth Syst. Sci, 10: 565-574. [http://www.hydrol-earth-syst-sci.net/10/565/2006/hess-10-565-2006.html]
  • Sengo, D.J., A. Kachapila, P. van der Zaag, M. Mul and S. Nkomo, 2005. Valuing environmental water pulses into the Incomati estuary: key to achieving equitable and sustainable utilisation of transboundary waters. Physics and Chemistry of the Earth 30: 648-657. [doi:10.1016/j.pce.2005.08.004]
  • Van der Zaag, P., 2005. Integrated water resources management: relevant concept of irrelevant buzzword? A capacity building and research agenda for southern Africa. Physics and Chemistry of the Earth 30: 867-871. [doi:10.1016/j.pce.2005.08.032]
  • Mkandla, N., P. van der Zaag and P. Sibanda, 2005. Bulawayo water supplies: sustainable alternatives for the next decade. Physics and Chemistry of the Earth 30: 935-942. [doi:10.1016/j.pce.2005.08.040]
  • Chigerwe, J., N. Manjengwa, P. van der Zaag, W. Zhakata and J. Rockström, 2004. Low head drip irrigation kits and treadle pumps for smallholder farmers in Zimbabwe: a technical evaluation based on laboratory tests. Physics and Chemistry of the Earth 29: 1049-1059. [doi:10.1016/j.pce.2004.08.007]
  • Nkomo, S. and P. van der Zaag, 2004. Equitable water allocation in a heavily committed international catchment area: the case of the Komati Catchment. Physics and Chemistry of the Earth 29: 1309-1317. [doi:10.1016/j.pce.2004.09.022]
  • Senzanje, A., and P. van der Zaag, 2004. Institutional aspects of proportional water allocation in practice: case of the Odzani River Irrigation Company, Save Catchment, Zimbabwe. Physics and Chemistry of the Earth 29: 1343-1348. [doi:10.1016/j.pce.2004.09.009]
  • Gumbo B., P. van der Zaag, P.B. Robinson, L. Jonker and J.S. Buckle, 2004. Training needs for water demand management. Physics and Chemistry of the Earth 29: 1365-1373. [doi:10.1016/j.pce.2004.09.023]
  • Van der Zaag, P., and Á Carmo Vaz, 2003. Sharing the Incomati waters: cooperation and competition in the balance. Water Policy 5: 349-368. [http://www.iwaponline.com/wp/00504/wp005040349.htm]
  • Dube, E., and P. van der Zaag, 2003. Analysing water use patterns for water demand management: the case of the city of Masvingo, Zimbabwe. Physics and Chemistry of the Earth 28: 805-815. [doi:10.1016/j.pce.2003.08.004]
  • Gumbo, B., D. Juizo and P. van der Zaag, 2003. Information is a prerequisite for water demand management; Experiences from four cities in Southern Africa. Physics and Chemistry of the Earth 28: 827-837. [doi:10.1016/j.pce.2003.08.010]
  • Symphorian, G.R., E. Madamombe and P. van der Zaag, 2003. Dam operation for environmental water releases; the case of Osborne dam, Save Catchment, Zimbabwe. Physics and Chemistry of the Earth 28: 985-993. [doi:10.1016/j.pce.2003.08.012]
  • Gumbo, B., and P. van der Zaag, 2002. Water losses and the political constraints to demand management: the case of the City of Mutare, Zimbabwe. Physics and Chemistry of the Earth 27: 805-813. [doi:10.1016/S1474-7065(02)00069-4]
  • Hranova, R., B. Gumbo, B., J. Klein and P. van der Zaag, 2002. Aspects of water resources management practice with emphasis on nutrients control in the Chivero Basin, Zimbabwe. Physics and Chemistry of the Earth 27: 875-885. [doi:10.1016/S1474-7065(02)00087-6]
  • Van der Zaag, P., I.M. Seyam and H.H.G. Savenije, 2002. Towards measurable criteria for the equitable sharing of international water resources. Water Policy 4(1): 19-32. [doi:10.1016/S1366-7017(02)00003-X]
  • Savenije, H.H.G., and P. van der Zaag, 2002. Water as an economic good and demand management; paradigms with pitfalls. Water International 27(1): 98-104.
  • Savenije, H.H.G., and P. van der Zaag, 2000. The Maseru conference. Water Policy 2 (1-2): 1-7. [doi:10.1016/S1366-7017(99)00020-3]
  • Savenije, H.H.G., and P. van der Zaag, 2000. Conceptual framework for the management of shared river basins with special reference to the SADC and EU. Water Policy 2 (1-2): 9-45. [doi:10.1016/S1366-7017(99)00021-5]
  • Van der Zaag, P., and H.H.G. Savenije, 2000. Towards improved management of shared river basins: lessons from the Maseru conference. Water Policy 2 (1-2): 47-63. [doi:10.1016/S1366-7017(99)00027-6]
  • Van der Zaag, P., and H.H.G. Savenije, 1999. The management of international waters in EU and SADC compared. Physics and Chemistry of the Earth (B) 24(6): 579-589. [doi:10.1016/S1464-1909(99)00048-9]
  • Sijbrandij, P., and P. van der Zaag, 1993. Canal maintenance: a key to restructuring irrigation management; a case of farmer participation and turnover from Mexico. Irrigation and Drainage Systems 7: 189-204. [doi:10.1007/BF00881279]

Chapters in books

  • Salame, L., and P. van der Zaag, 2010. Enhanced knowledge and education systems for strengthening the capacity of transboundary water management. Chapter 12 in A. Earle, A. Jägerskog and J. Öjendal (eds.), Transboundary Water Management - Principles and Practice. Earthscan, London; pp. 171-186.
    Salame, L., L. Swatuk and P. van der Zaag, 2009. Developing Capacity for Conflict Resolution applied to Water Issues. Chapter 6 in: M.W. Blokland, G.J. Alearts, J.M. Kaspersma and M. Hare (eds.), Capacity development for improved water management. CRC Press / Balkema, Leiden; pp.116-133.
  • Van der Zaag, P., 2009. Southern Africa: Evolving regional water law and politics. Chapter 15 in: J.W. Dellapenna and J. Gupta (eds.), The Evolution of the Law and Politics of Water. Springer, Berlin; pp.245-261.
  • Van der Zaag, P., B. Gumbo, E.R.N. Gunawardena, S. Khan, N. Kitaka, J. O’Keeffe, E. Rap, S. Uhlenbrook and A.A. van Dam, 2009. Climate, energy and environmental care: Investigating new collaborative research approaches. Chapter 10 in H. Molenaar, L. Box and R. Engelhard (eds), Knowledge on the Move: Emerging Agendas for Development-oriented Research. International Development Publications, Leiden; pp. 195-222.
  • De Gooijer, G., W. Rast, H. Tropp, V. Aimard, G. Allaerts, M. Black, R. Boelens, S. Burchi. H. Engel, J. Harlin, M. Hellmuth, S. Hendry, A. Hudson, A. Jäkerskog, H. Larsen, P. Moriarty, E. van Beek, P. van der Zaag and J. Winpenny, 2009. Options inside the water box. Chapter 14 in: The United Nations World Water Development Report 3: Water in a Changing World. UNESCO, Paris and Earthscan, London; pp. 241-268.
  • Van der Zaag, P., and A. Bolding, 2009. Water governance in the Pungwe river basin: institutional limits to the upscaling of hydraulic infrastructure. In: L.A. Swatuk and L. Wirkus (eds.), Transboundary water governance in Southern Africa; examining underexplored dimensions. Nomos, Bonn; pp. 163-177.
  • Van der Zaag, P., 2009. Thinking out of the ordinary – promoting knowledge generation and research on water. In: G.J. Alaerts and N.L. Dickinson (eds.), Water for a changing world – developing local knowledge and capacity. CRC Press / Balkema, Leiden; pp.163-178.
  • Uhlenbrook, S., P. van der Zaag and R.A. Meganck, 2009. The role of knowledge generation at UNESCO-IHE: past-present-future. In: G.J. Alaerts and N.L. Dickinson (eds.), Water for a changing world – developing local knowledge and capacity. CRC Press / Balkema, Leiden; pp.201-214.
  • Vishnudas, S., H.H.G. Savenije, and P. van der Zaag, 2007. A conceptual framework for the analysis of sustainable watershed management projects. Reducing the vulnerability of societies to water related risks at the basin scale (Proceedings of the 3rd International Symposium on Integrated Water Resources Management; Bochum, September 2006). IAHS Publ. 317
  • Komakech, H., F. Jaspers and P. van der Zaag, 2007. Strengthening transboundary river basin institutions: a comparative learning from basin institutions in Africa, Europe and Southeast Asia. Reducing the vulnerability of societies to water related risks at the basin scale (Proceedings of the 3rd International Symposium on Integrated Water Resources Management; Bochum, September 2006). IAHS Publ. 317; pp. 157-163.
  • Goor, Q., A. Alia, P. van der Zaag and A. Tilmant, 2007. Impacts of the south-eastern Anatolia Project in Turkey on the performance of the Tabqa dam and hydropower plant in Syria. In: Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management. Proceedings of Symposium HS3006 at IUGG2007, Perugia, July. IAHS Publ. 315.
  • Merrey, D.J., R. Meinzen-Dick, P.P. Mollinga, E. Karar, W. Huppert, J. Rees, J. Vera, K. Vegerich and P. van der Zaag, 2007. Policy and institutional reform: the art of the possible. Chapter 5 in D. Molden (ed.), Water for Food, Water for Life: A Comprehensive Assessment of Water Management in Agriculture. London: Earthscan and Colombo: International Water Management Institute; pp. 193-231
  • Molle, F., P. Wester, P. Hirsch, J.R. Jensen, H. Murray-Rust, V. Paranjpye, S. Pollard and P. van der Zaag, 2007. River basin development and management. Chapter 16 in D. Molden (ed.), Water for Food, Water for Life: A Comprehensive Assessment of Water Management in Agriculture. London: Earthscan and Colombo: International Water Management Institute; pp. 585-624
  • Mohamed-Katerere, J., and P. van der Zaag, 2003, Untying the "Knot of Silence"; making water policy and law responsive to local normative systems. In: F.A. Hassan, M. Reuss, J. Trottier, C. Bernhardt, A.T. Wolf, J. Mohamed-Katerere and P. van der Zaag (eds.), History and Future of Shared Water Resources. IHP Technical Documents in Hydrology - PCCP series No. 6. UNESCO, Paris [http://webworld.unesco.org/water/wwap/pccp/cd/conflict_resolution.html]
  • Bolding, A., J. Mutimba, P. van der Zaag, and J.A. Andersson, 2003, Introduction. In: A. Bolding, J. Mutimba and P. van der Zaag (eds.), Agricultural intervention in Zimbabwe; new perspectives on extension. University of Zimbabwe Publications, Harare; pp. 1-32
  • Van der Zaag, P., 2003, The bench terrace between invention and intervention. In: A. Bolding, J. Mutimba and P. van der Zaag (eds.), Agricultural intervention in Zimbabwe; new perspectives on extension. University of Zimbabwe Publications, Harare; pp. 184-205
  • Bolding, A., J. Mutimba and P. van der Zaag, 2003, Conclusion. In: A. Bolding, J. Mutimba and P. van der Zaag (eds.), Agricultural intervention in Zimbabwe; new perspectives on extension. University of Zimbabwe Publications, Harare; pp. 308-317
  • Savenije, H.H.G., and P. van der Zaag, 2002, Trans-boundary water resources management. In theme "Water Resources Management" of Chapter 7 "Water Sciences and Resources". Encyclopedia of Life Support Systems. Eolss Publishers, Oxford [http://www.eolss.net]
  • Van der Zaag, P, 2002, Water law and institutions. In theme "Water Resources Management" of Chapter 7 "Water Sciences and Resources". Encyclopedia of Life Support Systems. Eolss Publishers, Oxford [http://www.eolss.net]
  • Van der Zaag, P., A. Bolding and E. Manzungu, 2001, Water-networks and the actor: the case of the Save River Catchment, Zimbabwe. In: P. Hebinck and G. Verschoor (eds.), Resonances and dissonances in development; actors, networks and cultural repertoires. Van Gorcum, Assen; pp. 257-279
  • Van der Zaag, P., 1999, Water allocation principles in catchment areas: some notes on constraints and opportunities. In: E. Manzungu, A. Senzanje and P. van der Zaag (eds.), Water for agriculture in Zimbabwe: policy and management options for the smallholder sector. University of Zimbabwe Publications, Harare; pp. 168-178
  • Bolding, A., E. Manzungu and P. van der Zaag, 1999, A realistic approach to water reform in Zimbabwe. In: E. Manzungu, A. Senzanje and P. van der Zaag (eds.), Water for agriculture in Zimbabwe: policy and management options for the smallholder sector. University of Zimbabwe Publications, Harare; pp. 225-253
  • Manzungu, E., and P. van der Zaag, 1996, Continuity and controversy in smallholder irrigation. In: E. Manzungu and P. van der Zaag (eds.), The practice of smallholder irrigation; case studies from Zimbabwe. University of Zimbabwe Publications, Harare; pp. 1-28
  • Van der Zaag, P., and N. Röling, 1996, The water acts in the Nyachowa catchment area. In: E. Manzungu and P. van der Zaag (eds.), The practice of smallholder irrigation; case studies from Zimbabwe. University of Zimbabwe Publications, Harare; pp. 161-190
  • Bolding, A., E. Manzungu and P. van der Zaag, 1996, Farmer initiated irrigation furrows. In: E. Manzungu and P. van der Zaag (eds.), The practice of smallholder irrigation; case studies from Zimbabwe. University of Zimbabwe Publications, Harare; pp. 191-218
  • Meijers, T., D. Ombara and P. van der Zaag, 1993, Design as an interactive process; shaping irrigation systems with the users. In: Lucas Horst and Jan Ubels (eds.), Irrigation design in Africa: towards an interactive method. WAU/CTA, Ede; pp. 71 92
  • Van der Zaag, P., 1992, The material dimension of social practice in water management, a case study in Mexico. In: G. Diemer and J. Slabbers (eds.), Irrigators and engineers. Thesis Publishers, Amsterdam; pp. 73 83