The effect of pump irrigation on the income of rice farmers a case study in Pila, Laguna, Philippines, 1974-1975 [microform]
| Autor principal: | |
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| Format: | Visual Material |
| Idioma: | English |
| Publicat: |
Quezon City
Photoduplication Service, University of the Philippines Library
1978.
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| Matèries: |