TY  - BOOK
AU  -  Swanson, Burton E
ED  - Swanson, Burton E.
ED  -  Bentz, Robert P.
TI  - Improving agricultural extension : a reference manual
SN  - 9788170354086
U1  - 630.715 
PY  - 1997///
CY  - Rome : 
PB  - Food and Agriculture Organization of the United Nations
ER  -