4Bauersfeld, H. (1995). The structuring of the structures: Development and function of mathematizing as a social practice. In: L. P. Steffe & J. Gale(ed.), Constructivism in education (p. 137-158). Lawrence Erlbaum Associates, Publishers.
5Becker, J. & Varelas, M. (1995). Assissing construction: The rote of the teacher in assisting the learnerVs construction of preexisting cultural knowledge. In: L. P. Steffe & J. Gale(ed.), Constructivism in education (p. 433-446). Lawrence Erlbaum Associates, Publishers.
4Becker, J. & Varelas, M. Assissing construction: The role of the teacher in assisting the learnerVs construction of preexisting cultural knowledge[A]. L. P. Steffe & J. Gale(ed.). Constructivism in edu- cation [C]. Lawrence Erlbaum Associates, Publish- ers, 1995:433-446.
