TY  - BOOK
AU  - Ray, G.L.
TI  - Extension communication and management
SN  - 9788127268404
U1  - 630.715 
PY  - 1991///
CY  - Ludhiana
PB  - Kalyani pub.
KW  - Agricultural extension work
KW  - Rural extension
KW  - EMIS (Information retrieval system)
ER  -