TY  - BOOK
AU  - Sharma Ram Dutt
TI  - Research methods in social science
SN  - 8185135231
U1  - Sigma:f, M8 
PY  - 1988///
CY  - New Delhi
PB  - National Book Organisation India    
KW  -  RESEARCH METHODS
KW  - SOCIAL SCIENCES
ER  -