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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.