Research design :
Creswell, John W.
Research design : qualitative, quantitative and mixed methods approaches / John W. Creswell - 4th ed. - Los Angeles : SAGE, c2014. - 273 p. : ill. ; 26 cm.
Includes glossary, bibliographical references and index.
9781452274614
H 62 / .C6963 2014
Research design : qualitative, quantitative and mixed methods approaches / John W. Creswell - 4th ed. - Los Angeles : SAGE, c2014. - 273 p. : ill. ; 26 cm.
Includes glossary, bibliographical references and index.
9781452274614
H 62 / .C6963 2014