TY  - BOOK
AU  - Creswell,John W.
TI  - Research design: qualitative, quantitative, and mixed methods approaches 
SN  - 9781452274614 (pbk.) :
AV  - H62 .C74 2014
U1  - 300.72 23
PY  - 2014///
CY  - Thousand Oaks, California
PB  - SAGE Publication, 
KW  - Social sciences
KW  - Research
KW  - Methodology
N1  - Previous edition: 2008; Includes bibliographical references and index
ER  -