TY  - BOOK
AU  - Cresswell, John W. 
TI  - Research design : qualitative, quantitative, and mixed methods approaches
SN  - 9781506386768 (pbk)
U1  - 300.72 
PY  - 2018///
CY  - Los Angeles
PB  - Sage Publications, 
KW  - Social sciences--Research--Methodology--Social sciences--Statistical methods--Social service--Research--Methodology
N1  - 1.	Preliminary consideration 
2.	Designing research

ER  -