TY  - BOOK
AU  - Nair, P.S.D.
TI  - Karshika vignanavyapanam
U1  - 374.14:63=494.81 L0 
PY  - 1970///
CY  - Trivandrum
PB  - State Institute of Languages
KW  - P.S.D. Nair
KW  - Agricultural extension work-under developed areas
ER  -