TY  - BOOK
AU  - Sinha, P. R. R.
TI  - Studies in Extension Education
U1  - 630.717 
PY  - 1972///
CY  - Hyderabad
PB  - National Institute of Community Development
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Agricultural extension work
ER  -