Biological constraints to high yields in selected farmers' fields in Iloilo, Philippines [microform].
| প্রধান লেখক: | |
|---|---|
| বিন্যাস: | Visual Material |
| ভাষা: | English |
| প্রকাশিত: |
Quezon City
Photoduplication Service, University of the Philippines Library
1980.
|
| বিষয়গুলি: |