TY  - GEN
AU  - Das,D.K.Lal
AU  - 
ED  - 
ED  - 
ED  - 
TI  - Designs of social research
SN  - 8170339847
U1  - 300.7 
PY  - 2005///
CY  - Jaipur
PB  - Rawat Publication
KW  - 
KW  - MSW
ER  -