Research design :
Creswell, John W.
Research design : Qualitative, quantitative, and mixed methods approaches / John W. Creswell. - 3rd ed. - Thousand Oaks, Calif. : Sage Publications, c2009. - xxix, 260 p. ; 26 cm.
Includes bibliographical references (p. 237-245) and indexes.
9781412965576
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
300.72 / CRE
Research design : Qualitative, quantitative, and mixed methods approaches / John W. Creswell. - 3rd ed. - Thousand Oaks, Calif. : Sage Publications, c2009. - xxix, 260 p. ; 26 cm.
Includes bibliographical references (p. 237-245) and indexes.
9781412965576
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
300.72 / CRE