The effect of pump irrigation on the income of rice farmers a case study in Pila, Laguna, Philippines, 1974-1975 [microform]
| Hlavní autor: | |
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| Médium: | Visual Material |
| Jazyk: | English |
| Vydáno: |
Quezon City
Photoduplication Service, University of the Philippines Library
1978.
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| Témata: |