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References

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    Denzin N.K. & Lincoln Y.S. (1998) The Landscape of Qualitative Research.Theories and Issues. Thousand Oaks, California
  • 2
    Fay B. (1975) Social Theory and Political Practice. Allen & Unwin, London.
  • 3
    Kuhn T.S. (1962) The Structure of Scientific Revolutions. University of Chicago Press, Chicago.
  • 4
    Oakely A. (2000) Experiments in Knowing. Gender and Methods in the Social Sciences. Polity Press, Cambridge.
  • 5
    Sackett D.L., Haynes R.B., Guyatt G.H. & Tugwell P. (1991) Clinical Epidemiology – a Basic Science for Clinical Medicine, 2nd edn. Little, Brown & Co., Boston.