TY  - BOOK
AU  - Creswell, John
TI  - Research design,: qualitative, quantitative, and mixed methods approaches
SN  - 9781452226095
U1  - 300.72  C923r4 
PY  - 2014///
CY  - Los Angeles
PB  - Sage
KW  - PRELIMINARY
KW  - DESIGNING
KW  - RESEARCH
ER  -