Improving agricultural extension : a reference manual
Swanson, Burton E., ed
Improving agricultural extension : a reference manual - Rome Food and Agriculture Organization of the United Nations 1997 - ix, 220 p. : ill. ;
9251040079
63(071.7) / F686I
Improving agricultural extension : a reference manual - Rome Food and Agriculture Organization of the United Nations 1997 - ix, 220 p. : ill. ;
9251040079
63(071.7) / F686I