Read more about Bakhtin's notion of dialogism with respect to education in these accessible recent papers:
White, E.J. (2009). Bakhtinian dialogism: A philosophical and methodological route to dialogue and difference? Annual Conference of the Philosophy of Education Society of Australasia, 38. PDF
Yüksel, D. (2009) A Bakhtinian Understanding of Social Constructivism in Language Teaching. Journal of Language and Linguistics Studies, 5 (1), 1-19. PDF
Library resources
Hall, JK, G. Vitanova & L. Marchenkova (eds.) 2004. Dialogue with Bakhtin on second and foreign language learning. New perspectives. Lawrence Erlbaum Associates. Mahwah, New Jersey & London. (TESL-EJ review)