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4
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The design of farmer managed irrigation systems : experiences from Zimbabwe / J.M. Makadho.
- Overseas development institute [etc.],
- 1990.
- London [etc.] :
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Design for sustainable farmer-managed irrigation schemes in sub-Saharan Africa : a compilation of results of recent international meetings / comp. by J.J. Speelman.
- Overseas development institute [etc.],
- 1990.
- London [etc.] :
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Irrigation allocation problems at tertiary level in Pakistan / M. Akhtar Bhatti and Jacob W. Kijne.
- Overseas development institute [etc.],
- 1990.
- London [etc.] :
-
The operation and maintenance of a pilot rehabilitated zone in the office du Niger, Mali / J. Jaujay.
- Overseas development institute [etc.],
- 1990.
- London [etc.] :