Agro-information flow at the village level a survey of communication sources in the adoption process of high-yielding varieties of crops.
| Müşterek Yazar: | |
|---|---|
| Materyal Türü: | Kitap |
| Dil: | English |
| Baskı/Yayın Bilgisi: |
[New Delhi
s.n.]
1968.
|
| Konular: |