Improving agricultural extension : a reference manual /
Swanson, Burton E
Improving agricultural extension : a reference manual / edited by Burton E Swanson, Robert P Bentz and Andrew J Sofranko. - Rome : Food and Agriculture Organization of the United Nations ; 1997. - 220 p., 26 cm.
8170354080
630 / SWA
Improving agricultural extension : a reference manual / edited by Burton E Swanson, Robert P Bentz and Andrew J Sofranko. - Rome : Food and Agriculture Organization of the United Nations ; 1997. - 220 p., 26 cm.
8170354080
630 / SWA