Swanson, Burton E.
Agricultural Extension : A reference Manual - 2 - Rome, F A O 1984 - 262
92-5-101504-X
Agricultural extension / Extension Teaching Methods / Extension Adminstration / ExtensionCommunication / Extension Compaigns
630.7150202 SWA
100
Agricultural Extension : A reference Manual - 2 - Rome, F A O 1984 - 262
92-5-101504-X
Agricultural extension / Extension Teaching Methods / Extension Adminstration / ExtensionCommunication / Extension Compaigns
630.7150202 SWA
100