Research design :
Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approches / John W. Creswell. - 2nd ed. - London : SAGE, 2003. - xxvi, 246 p.
0761924425 : KES 4200
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
Research design : qualitative, quantitative, and mixed methods approches / John W. Creswell. - 2nd ed. - London : SAGE, 2003. - xxvi, 246 p.
0761924425 : KES 4200
Social sciences--Research--Methodology.
Social sciences--Statistical methods.