E. Delozanne, E. Bruillard, and M. Vivet, Mathematical Learning Environments: a French Viewpoint, Mathematical Intelligent Learning Environment, 1993.

B. Grugeon and M. Artigue, Issues linked to the transition between didactic institutions : the case of algebra in the transition from vocational high schools to general high schools, PME, 1995.

B. Shneiderman, Designing the user Interface, 1992.