Observational Studies as Topic -- methods -- Handbooks.

Mixed methods applications in action research : from methods to community action / Ivankova

Thinking qualitatively : methods of mind / Saldaña, Johnny.

Understanding your users : a practical guide to user research methods / Courage, Catherine, author.

Qualitative research in management : methods and experiences / Gupta, Rajen K., 1950- editor.

Qualitative research & evaluation methods : integrating theory and practice / Patton, Michael

Public health -- Statistical methods.

Health Promotion -- methods.

Mixed methods in health sciences research : a practical primer / Curry, Leslie (Curry, Leslie A

Social sciences -- Statistical methods.

Evidence-Based Practice -- methods.

Community Health Services -- methods -- United States.