TY  - BOOK
AU  - Bolliger,Ernst
AU  - Reinhard,Peter
AU  - Zellweger,Tonino
TI  - Agricultural extension : : guidelines for extension workers in rural areas 
SN  - 818586022X
U1  - 630.7 21
PY  - 1995///
CY  - Delhi : 
PB  - IBDC
KW  - Arriculture
KW  - Research
ER  -