Creswell, John W
Research design : Qualitative, quantitative, and mixed method approaches / (English)
- 3rd
- London: Sage Publications India, 2012
- 260p. PB
9788132107484
-Community & --Social service--Research--Methodology,Social sciences--Statistical methods,Social sciences--
Microbiology
Family Medicine--Nursing
Research--Methodology
001.4 / CRE