TY  - BOOK
AU  - Singh, Uttam Kumar 
AU  - Nayak,  A. K. 
TI  - Extension education
SN  - 817169442x
U1  - 370 22
PY  - 1997///.
CY  - India
PB  - Common wealth publishers
KW  - education
N1  - include index
ER  -