TY  - BOOK
AU  - Singh, Uttam Kumar
AU  - nayak, a k
TI  - Extension education
SN  - 9788171694426
U1  - 370 SIN 
PY  - 2006///
CY  - New Delhi
PB  - Commonwealth Publications
KW  - Agricultural extension work -- India
KW  - Rural extension -- India
ER  -