Creswell, John W.,

Research design : qualitative, quantitative, and mixed methods approaches / John W. Creswell, Department of Family Medicine, University of Michigan, J. David Creswell, Department of Psychology, Carnegie Mellon University. - fourth edition. - London Sage publication 2014 - xxi, 190 pages ; 25 cm

Includes bibliographical references and indexes.

9789353287351


Social sciences--Research--Methodology.
Social sciences--Statistical methods.

300.72/1 / JOH