Some socio-economic changes among farmers in the UPLB/SEARCA Social Laboratory, Pila, Laguna, Philippines [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: |