Mason, J., 1996, Qualitative researching, London: Sage.
Maxwell, J. A., 1996, Qualitative research design: an interactive approach, Thousand Oaks: Sage.
McDonough, J. & McDonough, S., 1997, Research methods for english language teachers, London, Arnold.
McNiff, J. et al, 1996, You and your action research project, London: Routledge.
Miller, G. & Dingwall, R. (eds), 1997, Context and method in qualitative research, London: Sage.
Myers, J. L., (1972) Fundamentals of Experimental Design. Boston: Allyn and Bacon. Nunan, D., 1992, Research methods in language learning, Cambridge: C. Univ. Press. O’Hanlon, C. (ed.), 1997, Professional development through action research in educational settings, London: The Falmer Press.
Pardal, L. & Correira, E., 1995, Métodos e técnicas de investigação social, Porto, Areal.
Patterson, L. et al, Teachers are researchers: reflecion and action, Newark: International Reading Association. (CF. 30. 176).
Porkess, R. (1988) Dictionary of Statistics, London: Collins.
Reichardt, C. & Gollob, H. F. (1986) Satisfying the constraints of causal modeling. In Trochim (ed.) Advances in Quasi-Experimental Design and Analysis. New Directions for Program Evaluation, 31, San Francisco: Jossey-Bass, 91-107. Reswerber, Jean-Paul, 1995, La recherche-action, Paris: Presses Universitaires de France.
Rindskopf, D. (1986) New developments in selection modeling for quasi-experimentation. In Trochim (ed.) Advances in Quasi-Experimental Design and Analysis. New Directions for Program Evaluation, 31, San Francisco: Jossey- Bass, 79-98.
Sanger, J., 1996, The compleat observer? a field research guide to observation, London: The Falmer Press.
Shadish, W. R. Jr., Cook, T. & Houts, A. C. (1986) Quasi-experimentation in a critical multiplist mode. In Trochim (ed.) Advances in Quasi-Experimental Design and Analysis. New Directions for Program Evaluation, 31, San Francisco: Jossey- Bass, 29-46.
Shulman, J. (ed.) (1992) Case Methods in Teacher Education, New York, NY: Teachers College, University of Columbia.
Silverman, D. (ed), 1997, Qualitative research: theory, method and practice, London: Sage.
Silverman, D., 1994, Interpreting qualitative data: methods for analysing talk, text and interaction, London: Sage (CF-30-120).
Spiegel, M. R. (1994) Estatística, (3a edição), [Consentino, P. (trad.)], São Paulo: Makron Books.
Thompson, B. (1994) The concept of statistical significance testing. ERIC Clearinghouse on Assessment and Evaluation, Washington, DC: ED366654.
Tuckman, B. W. (1978) Conducting Educational Research, New York, Harcourt.
Tukey, J. W., (1977). Exploratory Data Analysis. Reading, MA: Addison-Wesley. Williams, D. D. (1986) When is naturalistic evaluation appropriate? In Trochim (ed.) Advances in Quasi-Experimental Design and Analysis. New Directions for Program Evaluation, 31, San Francisco: Jossey-Bass, 85-92.
Wittrock, M. (ed.), 1986, Handbook of research on teaching, New York: Macmillan, 3a ed. (CF-30-67).
Woods, P., 1995, La escuela por dentro: la etnografia en la investigacion educativa, Barcelona, Paides (trad.).
Wragg, E. C., 1994, An introduction to classroom observation, London: Routlege (CF.30.145).