Diffusion of IR 26 rice variety in compact and non-compact farms in Camarines Sur, Philippines [microform].
| Egile nagusia: | |
|---|---|
| Formatua: | Visual Material |
| Hizkuntza: | ingelesa |
| Argitaratua: |
Quezon City
Photoduplication Service, University of the Philippines Library
1978.
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| Gaiak: |