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Maisiri, N and Senzanje, A and Rockstroma, J and Twomlow, S J (2005) On farm evaluation of the effect of low cost drip irrigation on water and crop productivity compared to conventional surface irrigation system. Physics and Chemistry of the Earth, Parts A/B/C, 30 (11-16). pp. 783-791. ISSN 1474-7065
Belder, P and Rohrbach, D and Twomlow, S J and Senzanje, A (2007) Can Drip Irrigation Improve Food Security for Vulnerable Households in Zimbabwe?.Briefing Note No. 7. Documentation. International Crops Research Institute for the Semi-Arid Tropics , Bulawayo, Zimbabwe.
Belder, P and Rohrbach, D and Twomlow, S J and Senzanje, A (2007) Can drip irrigation improve the livelihoods of smallholders? Lessons learned from Zimbabwe:Global Theme on Agroecosystems Report no. 33. Monograph. International Crops Research Institute for the Semi-Arid Tropics, Bulawayo, Zimbabwe.