Farmers' knowledge and perception of improved technology : a study of five farming systems
שמור ב:
OCLC: | 8033671 |
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מחבר ראשי: | |
מחברים אחרים: | , |
שפה: | English |
יצא לאור: |
Colombo :
Agrarian Research and Training Institute,
1980.
|
סדרה: | Research study series (Agrarian Research and Training Institute) ;
No. 34. |
נושאים: | |
פורמט: | Government Document Monograph Note that CRL will digitize material from the collection when copyright allows. |