1 Manzungu, E.; van der Zaag, P. (Eds.) 1996. The practice of smallholder irrigation: Case studies from Zimbabwe. Harare, Zimbabwe: University of Zimbabwe Publications. xii, 235p.
(Location: IWMI-HQ Call no: 631.7.3 G176 MAN Record No: H023365)
2 van der Zaag, P. 1999. Water allocation principles in catchment areas: Some notes on constraints and opportunities. In Manzungu, E.; Senzanje, A.; van der Zaag, P. (Eds.), Water for agriculture in Zimbabwe: Policy and management options for the smallholder sector. Harare, Zimbabwe: University of Zimbabwe Publications. pp.168-178.