The effect of innovation on farm income in two selected barrios of Batangas and two selected barrios of Laguna, Philippines 1958-1962 [microform].
| Autor principal: | |
|---|---|
| Format: | Visual Material |
| Idioma: | English |
| Publicat: |
Quezon City
Photoduplication Service,University of the Philippines Library.
|
| Matèries: |