TY  - BOOK
AU  - Punch,Keith F
TI  - Introduction to social Research: quantitative and qualitative approaches 
SN  - 0761958134
U1  - 001.42  
PY  - 2001///
CY  - New Delhi
PB  - Sage Publications
KW  - Social Research
N1  - Includes bibliographical references and index
ER  -