1Firestone, w. A. & Dawson, J. A. Approaches to Qualitative Data Analysis: Instuitive, Procedural, and Intersubjective.
2Miles, M. B. & Huberman, A. M. Drawing Valid Meaning from Qualitative Data: Toward a Shared Croft.[both from: Fetterman, D.M.(1988). Oualit ative Approach to Evaluation in Education: the Silent Scientific Revolution. New York: Praeger. pp.209-244.]
