Comparative economic analysis of low-lift (surface) and tubewell irrigation projects in the Philippines [microform]
| Κύριος συγγραφέας: | |
|---|---|
| Μορφή: | Visual Material |
| Γλώσσα: | English |
| Έκδοση: |
Quezon City
Photoduplication Service, University of the Philippines
1976.
|
| Θέματα: |