TY  - BOOK
AU  - Creswell John W.
TI  - Research design: Qualitative, Quantitative, and Mixed Methods Approaches
SN  - 9781452274614
AV  - H 62 Cre 2014 
PY  - 2014///
CY  - California, Thosand Oaks
PB  - SAGE
KW  - Oclc
KW  - Social sciences-Research-Methodology
N1  - Includes a bibliographic reference and an index
ER  -