Referências

Creswell, J. W. (2007). Qualitative inquiry and research design: Choosing among five approaches. Sage.

Creswell, J. W., Hanson, W. E., Clark Plano, V. L. (2007). Qualitative research designs. The Counselling  Psychologist, 35(2), 236–264.

Dörnyei, Z. (2007). Research Methods in Applied Linguistics. Oxford: Oxford University Press.

Greene, J. C., & Caracelli, V. J. (1997). Advances in mixed-methods evaluation: The challenges and benefits of integrating diverse paradigms: New directions for evaluation. Willey.

Mertens, D. M. (1998). Research methods in education and psychology: Integrating diversity with quantitative and qualitative approaches. Sage.

Tashakkori, A., & Creswell, J. W. (2007). Editorial: Exploring the nature of research questions in mixed methods research. Journal of Mixed Methods Research, 1(3), 207–211.