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2. The characteristics of subject matter in different scientific areas;Biglan;J Applied Psychol,1973
3. Learning styles and disciplinary differences;Kolb,1981
4. Becher, T, Academic Tribes and Territories: intellectual enquiry and the cultures of disciplines, Buckingham, Society for Research into Higher Education and the Open University Press, 1989
5. The Structure of Scientific Revolutions;Kuhn,1970