TY  - BOOK
AU  - John, W. Creswell
AU  - Creswell ,John W.
TI  - Research design: qualitative, quantitative and mixed methods approaches 
SN  - 9781452274614
AV  - H62 CRE
PY  - 2014///
CY  - Los Angeles
PB  - Sage
KW  - Research
KW  - research methodology, methodologies
KW  - Quantitative research
KW  - Research methods
KW  - Qualitative research
KW  - Research design
KW  - Mixed methods
KW  - Research approaches
N1  - includes bibliographical references and index
ER  -