TY  - BOOK
AU  - Creswell , John W.
AU  - Creswell , J David
TI  - Research Design: Qualitative, Quantitative, and Mixed Methods Approaches
SN  - 9781452226101
U1  - 001.42 
PY  - 2014///
CY  - London
PB  - Sage
KW  - Social Sciences - Research - Methodology
KW  - Social Sciences - Statistical Methods
KW  - Social Sciences
UR  - www.sagepublication.com
ER  -