Diffusion of a rat control innovation smong Masagana 99 farmers in Laguna, Philippines [microform]
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | Visual Material |
| प्रकाशित: |
Quezon City
Photoduplication Service. University of the Philippines Library
1980.
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| विषय: |