1. Bartolini Bussi, M.: 1989, ‘Evaluation of teaching sequences that include individual and collective activities: Two case studies’, in Proceedings of the First Italian-German Bilateral Symposium on Didactics of Mathematics, TID, CNR, Progetto.
2. Bazzini, L.: 1989a, ‘From primary to secondary education: An investigation of pupils’ mathematical abilities’ Proceedings of the 41 CIEAEM Conference, Bruxelles.
3. Bazzini, L.: 1989b, ‘Curriculum development and evaluation in primary school’ Proceedings of the First Italian-Gemian Bilateral Symposium on Didactics of Mathematics, TID, CNR, Progetto.
4. Bolletta, R.: 1987, ’The real curriculum in “Scuola Media” after the new programs of 1979 in Italy’, paper presented to the International Conference on Comparative Studies of Mathematical Curricula in Different Countries, CEDE, Frascati
5. Bransford, J., Hasselbring, T., Barron, B., Kulewicz, S., Littlefield, J. and Goin, L.: 1989, ’Uses of macro-contexts to facilitate mathematical thinking’, in The Teaching and Assessing of Mathematical Problem SolvingErlbaum, NCTM, Hillsdale, NJ