TY  - BOOK
AU  -  Rivera, William M.
AU  - Schram, Susan G.
TI  - Agricultural extension worldwide: issues, practices and emerging priorities 
SN  - 9780709942382
U1  - 630.715 RIV 
PY  - 1987///
CY  - USA
PB  - Croom Helm
N1  - INDX
ER  -