TY  - BOOK
AU  - Das D.K. Lal.,
TI  - Designs of social research
SN  - 81-7033-985-5
U1  - 300 
PY  - 2005///
CY  - New Delhi.
PB  - Rawat publications.
KW  - Social sciences
KW  - Designs of social research
ER  -