TY  - BOOK
AU  - Creswell, John W.
TI  - Research design: Qualitative quantitative and mixed methods approaches 
SN  - 9789353287351
U1  - 300.72 22
PY  - 2014///
CY  - New Delhi
PB  - Sage
KW  - Social science statistics methods, Social science research mothodology
ER  -