TY  - BOOK
AU  - Das D K Lal
TI  - Desings of Social research
SN  - 9788170339847
U1  - 300.7 DAS 
PY  - 2011///
CY  - Jaipur
PB  - Rawat
KW  -  das d k lal
KW  -  social research
KW  - design
ER  -