TY  - BOOK
AU  - Creswell,John W
TI  - Research design : qualitative, quantitative, and mixed methods approaches
SN  - 9788132107484
U1  - 303 
PY  - 2009///
CY  - N.Delhi
PB  - Sage Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Statistical methods
UR  - http://www.loc.gov/catdir/toc/ecip0810/2008006242.html
ER  -