TY  - BOOK
AU  - Ban, A. W. van den
AU  - Hawkins, H. S.
TI  - Agricultural extension  
SN  - 0582028833
PY  - 1985///
CY  - New York
PB  - Longman Scientific & Technical
KW  - AGRICULTURAL EDUCATIONAGRICULTURAL TRAININGAgricultural extension
ER  -