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51
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52
Managing communal gravity systems farmers' approaches and implications for program planning
Veröffentlicht 1980Buch -
53
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54
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55
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56
The Philippines recommnds for irrigation water management lowland rice conditions.
Veröffentlicht 1978Buch -
57
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58
The effect of pump irrigation on the income of rice farmers a case study in Pila, Laguna, Philippines, 1974-1975 [microform]
Veröffentlicht 1978Visual Material -
59
Public participation on village level irrigation perimeters in the Matam region of Senegal
Veröffentlicht 1978Buch -
60