Farmers' knowledge and perception of improved technology : a study of five farming systems
محفوظ في:
| OCLC: | 8033671 |
|---|---|
| المؤلف الرئيسي: | |
| مؤلفون آخرون: | , |
| اللغة: | English |
| منشور في: |
Colombo :
Agrarian Research and Training Institute,
1980.
|
| سلاسل: | Research study series (Agrarian Research and Training Institute) ;
No. 34. |
| الموضوعات: | |
| التنسيق: | وثيقة رسمية Monograph Note that CRL will digitize material from the collection when copyright allows. |