TY  - BOOK
AU  - Swason,Burton E.
AU  - Bentz,Robert P.
AU  - Sofranko,Andrew J.
TI  - Improving agricultural extention : : a reference manual / 
SN  - 9251040079
PY  - 1997///
CY  - Rome : 
PB  - Food and Agriculture Organization, 
KW  - Agricultural extension work
KW  - Research
N1  -  Includes bibliographical references
ER  -