Research design qualitative, quantitative and mixed method approaches /
Creswell, John W.
Research design qualitative, quantitative and mixed method approaches / [electronic resource] : John W. Creswell. - 4th Edition. - Los Angeles : SAGE, 2014.
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
Research design qualitative, quantitative and mixed method approaches / [electronic resource] : John W. Creswell. - 4th Edition. - Los Angeles : SAGE, 2014.
Social sciences--Research--Methodology.
Social sciences--Statistical methods.