TY  - BOOK
AU  - Ray, G L
TI  - Research methods in social sciences and extension education
SN  - 8185421293
U1  - 371.35 
PY  - 1999///
CY  - Calcutta
PB  - Naya Prokash
KW  - Educational extension
KW  - Research methods
KW  - Social sciences
ER  -