Improving agricultural extension : a reference manual /
Swanson, Burton E
Improving agricultural extension : a reference manual / English by Burton E Swanson; Robert P Bentz; Andrew J Sofranko - Rome : Food and Agriculture Organization of the United Nations 1997. - ix ; 220 p., 28 cm.
9788170354086
630.715 / SWA
Improving agricultural extension : a reference manual / English by Burton E Swanson; Robert P Bentz; Andrew J Sofranko - Rome : Food and Agriculture Organization of the United Nations 1997. - ix ; 220 p., 28 cm.
9788170354086
630.715 / SWA