Reduced planning efforts the key region approach in Ratnapura
| 1. autor: | |
|---|---|
| Format: | Książka |
| Język: | English |
| Wydane: |
Colombo, Sri Lanka
Agrarian Research and Training Institute
1983.
|
| Seria: | Research study / Agrarian Research & Training Institute
no. 58 |
| Hasła przedmiotowe: |