TY  - BOOK
AU  - Creswell, John W 
TI  - Research design: :  qualitative, quantitative, and mixed methods approaches
SN  - 9781452274614
U1  - 300.72 CRE 
PY  - 2014///
CY  - New York: 
PB  - SAGE, 
KW  - Social sciences--Research--Methodology | Social sciences--Statistical methods | Social service--Research--Methodology
KW  - Research - Planning
N1  - Includes references and index
ER  -