Research design / qualititative, qantitative and mixed methods approaches

Creswell, John W.

Research design / qualititative, qantitative and mixed methods approaches John W. Creswell - 4th ed. - Los Angeles Sage 2014 - xxix, 273p. ill. 25cm.

Includes bibliographical references and index

9781452274614 RM180.79


Social science--Research--Methodology
Social science--Statistical methods