Ulin, P. R. Qualitative methods in public health: A field guide for applied research.
Cita Chicago (17th ed.)Ulin, Priscilla R. Qualitative Methods in Public Health: A Field Guide for Applied Research.
Cita MLA (8th ed.)Ulin, Priscilla R. Qualitative Methods in Public Health: A Field Guide for Applied Research.
Atenció: Aquestes cites poden no estar 100% correctes.