Research design :
Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches / John W. Creswell. - Fourth edition. - xxix, 273 pages : illustration ; 26 cm.
9781452226095 9781452226101
Social sciences--Statistical methods
Social sciences--Research--Methodology
H62 / .C74 2014
Research design : qualitative, quantitative, and mixed methods approaches / John W. Creswell. - Fourth edition. - xxix, 273 pages : illustration ; 26 cm.
9781452226095 9781452226101
Social sciences--Statistical methods
Social sciences--Research--Methodology
H62 / .C74 2014