The relationship between some characteristics of rice farm operators and adoption of some recommended practices in rice production in seventeen barrios of Laguna [microform]
| Tác giả chính: | |
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| Định dạng: | Visual Material |
| Ngôn ngữ: | English |
| Được phát hành: |
Quezon City
Photoduplication Service University of the Philippines Library
1974 .
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| Những chủ đề: |