TY  - GEN
AU  - Creswell, John W.
AU  - Creswell, J. David
TI  - Research design : qualitative, quantitative, and mixed methods approaches
SN  - 9781506386768
U1  - 300.72 
PY  - 2018///
CY  - Britain
PB  - SAGE Publications, 
KW  - Social sciences--Research--Methodology
KW  - Social sciences--Statistical methods
KW  - Social service--Research--Methodology
N1  - Include Index
ER  -