TY  - GEN
AU  - Creswell, John W.
TI  - Research design : qualitative, quantitative, and mixed methods approaches
SN  - 9781452226095 (hbk) / 9781452274614 (pbk)
AV  - H 62
PY  - 2014///
PB  - Sage Publications
KW  - Social sciences - Research - Methodology
KW  - Social sciences - Statistical methods
N1  - 24117
ER  -