TY  - BOOK
AU  - Creswell,John W.
TI  - Research design: qualitative, quantitative, and mixed methods approaches
SN  - 9781412965569
AV  - H 62 .C6963 2009
PY  - 2009///
CY  - Thousans Oaks, Calif.
PB  - SAGE Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Social science
KW  - Statistical methods
N2  - Includes bibliographical references and index
ER  -