TY  - BOOK
AU  - Das, D K Lal 
TI  - Designs of social research 
SN  - 9788170339847
U1  - 001.42 
PY  - 2011///
CY  - New Delhi
PB  - Rawat Publications
KW  - Social Research;
KW  - Social Work;
KW  - Sociology;
KW  - Social Science
ER  -