The effect of innovation on farm income in two selected barrios of Batangas and two selected barrios of Laguna, Philippines 1958-1962 [microform].
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| Materyal Türü: | Visual Material |
| Dil: | English |
| Baskı/Yayın Bilgisi: |
Quezon City
Photoduplication Service,University of the Philippines Library.
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