Agro-information flow at the village level a survey of communication sources in the adoption process of high-yielding varieties of crops.
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
[New Delhi
s.n.]
1968.
|
| विषय: |