Educational research : quantitative, qualitative, and mixed approaches / Johnson, R. Burke, author.

Educational research : quantitative, qualitative, and mixed approaches / Johnson, Burke, auteur.

Social research methods : qualitative, quantitative and mixed methods approaches / Grønmo, Sigmund

Research design : qualitative, quantitative, and mixed methods approaches / Creswell, John W

Educational research : planning, conducting and evaluating quantitative and qualitative research /

Understanding quantitative and qualitative research in psychology : a practical guide to methods

Research design : qualitative, quantitative, and mixed methods approaches / Creswell, John W

Research design : quantitative, qualitative, mixed methods, arts-based, and community-based

The discovery of grounded theory : strategies for qualitative research / Glaser, Barney G.

How college affects students : a third decade of research / Pascarella, Ernest T.

First steps in research / Maree, J. G. (Jacobus Gideon)

Marketing research -- Case studies.