An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | Visual Material |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Quezon City
Photoduplication Service,University of the Philippines library
1976.
|
| Ábhair: |