Farmers' knowledge and perception of improved technology : a study of five farming systems
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| OCLC: | 8033671 |
|---|---|
| 主要作者: | |
| 其他作者: | , |
| 語言: | English |
| 出版: |
Colombo :
Agrarian Research and Training Institute,
1980.
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| 叢編: | Research study series (Agrarian Research and Training Institute) ;
No. 34. |
| 主題: | |
| 格式: | Government Document Monograph Note that CRL will digitize material from the collection when copyright allows. |