The educational effects on farmers of the pilot extension program on direct seeding of rainfed rice in Bulacan province, Philippines [microform]
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | Visual Material |
| प्रकाशित: |
Quezon City
Photoduplication Service. University of the Philippines Library
1978.
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| विषय: |