Farmers' knowledge and perception of improved technology : a study of five farming systems
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OCLC: | 8033671 |
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Главный автор: | |
Другие авторы: | , |
Язык: | English |
Опубликовано: |
Colombo :
Agrarian Research and Training Institute,
1980.
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Серии: | Research study series (Agrarian Research and Training Institute) ;
No. 34. |
Предметы: | |
Формат: | Government Document Monograph Note that CRL will digitize material from the collection when copyright allows. |