Farmers participation in agricultural research and extention systems
John, K.C...[et. al.].
Farmers participation in agricultural research and extention systems - New Delhi Concept publishing 1997 - 271p.
8170226171
630.7 / JOH
Farmers participation in agricultural research and extention systems - New Delhi Concept publishing 1997 - 271p.
8170226171
630.7 / JOH