TY  - BOOK
AU  - Creswell, John W.
TI  - Research design: qualitative, quantitative and mixed methods approaches
SN  - 9781412965576
U1  - 300.72 CRE-R 
PY  - 2009///
CY  - Los Angeles
PB  - Sage Publications
KW  - Social Sciences
KW  - Research
KW  - Methodology
KW  - Statistical methods
N1  - includes bibliography, glosary and index
ER  -