Farmers' knowledge and perception of improved technology : a study of five farming systems
保存先:
| OCLC: | 8033671 |
|---|---|
| 第一著者: | |
| その他の著者: | , |
| 言語: | English |
| 出版事項: |
Colombo :
Agrarian Research and Training Institute,
1980.
|
| シリーズ: | Research study series (Agrarian Research and Training Institute) ;
No. 34. |
| 主題: | |
| フォーマット: | 政府資料 Monograph Note that CRL will digitize material from the collection when copyright allows. |