Denzin, N. K., & Lincoln, Y S. (Eds.). (1994). Handbook of qualitative research.Thousand Oaks, CA: Sage.
2.
Denzin, N.K., & Lincoln, Y.S. (1994). Introduction: Entering the field of qualitative research In N. K. Denzin & Y S. Lincoln (Eds.), Handbook of qualitative research.Thousand Oaks, CA: Sage.
3.
Richardson, L. (1991). Postmodern social theorySociological Theory, 9,173-179.