TY  - BOOK
AU  - Creswell, John W.
AU  - 
AU  - 
TI  - Research design :  : qualitative, quantitative, and mixed methods approaches 
SN  - 9788132107484
U1  - 300.72 
PY  - 2011///
CY  - New Delhi 
PB  - SAGE Publications 
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Statistical methods
N1  - Includes bibliographical references (p. 237-245) and indexes
ER  -