Research design
Creswell, John W
Research design qualitative, quantitative, and mixed methods approaches - 3rd ed. - N.Delhi Sage Publications 2009 - xxix, 260 p.
9788132107484
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
303 / CRE
Research design qualitative, quantitative, and mixed methods approaches - 3rd ed. - N.Delhi Sage Publications 2009 - xxix, 260 p.
9788132107484
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
303 / CRE