![](/img/cover-not-exists.png)
Returns to Agricultural Research and Extension Programs: An "Ex-Ante" Approach
Araji, A. A., Sim, R. J., Gardner, R. L.Volume:
60
Language:
english
Journal:
American Journal of Agricultural Economics
DOI:
10.2307/1240129
Date:
December, 1978
File:
PDF, 392 KB
english, 1978