Relations between agricultural research and extension workers : The survey evide
Seegers, S., Kaimowitz, D.
Relations between agricultural research and extension workers : The survey evide - Netherlands 1989 - 0.5 - No. 2; International Service f .
63(072:071.1)
Relations between agricultural research and extension workers : The survey evide - Netherlands 1989 - 0.5 - No. 2; International Service f .
63(072:071.1)