Qualitative methods for health research / Green, Judith.

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

Qualitative research methods for business students : a global approach / Omeihe, Kingsley Obi

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

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

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

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

Introducing qualitative methods.

The SAGE handbook of qualitative research / Denzin, Norman K., editor.

The practice of research in criminology and criminal justice / Bachman, Ronet, author.