A view of two classic introductory qualitative research texts evolving through decades

Feilzer MY (2010) Doing mixed methods research pragmatically: implications for the rediscovery of pragmatism as a research paradigm. Journal of Mixed Methods Research 4(1): 6–16.

Glaser BG Strauss A (1967) The Discovery of Grounded Theory: Strategies for Qualitative Research. Chicago: Aldine.

Teddlie C Tashakkori A (2009) The Foundations of Mixed Methods Research. Thousand Oaks, CA: SAGE.