Research design :
Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches / John W. Creswell. - 5th ed. - Thousand Oaks, California : SAGE Publication c2018. - xxv, 275 p. ; ill. ; 26 cm.
9781506386768
Social sciences--Research--Methodology
Social sciences--Statistical methods
Social service--Research--Methodology
300.72 / CRE
Research design : qualitative, quantitative, and mixed methods approaches / John W. Creswell. - 5th ed. - Thousand Oaks, California : SAGE Publication c2018. - xxv, 275 p. ; ill. ; 26 cm.
9781506386768
Social sciences--Research--Methodology
Social sciences--Statistical methods
Social service--Research--Methodology
300.72 / CRE