TY  - BOOK
AU  - Creswell,John W.
TI  - Research design :qualitative, quantitative, and mixed methods approaches
SN  - 9781506386768
AV  - H62 .C6963 2018
PY  - 2018///
CY  - Thousand Oaks
PB  - SAGE Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Statistical methods
N1  - Includes bibliographical references (p. 251-260) and indexes
ER  -