TY  - BOOK
AU  - Creswell,John W.
TI  - Research design: qualitative, quantitative, and mixed methods approaches. 
SN  - 9781452226095 (cloth)
AV  - H62 C6963 2014
U1  - 300.72.1 23
PY  - 2014///
CY  - Thousand Oaks
PB  - SAGE Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Statistical methods
N1  - Includes indexes; Includes bibliographical references (p. 251-260)
ER  -