TY  - BOOK
AU  - Newuman, W. Lawrence
TI  - Social research methods
SN  - 9788137114645
U1  - 300.72 
PY  - 2008///
CY  - New Delhi
PB  - Pearson Education
KW  - Social - Research - Methodology
N1  - Bibliography: p.548-83
ER  -