1. Astrachan, O.: Self-reference is an illustrative essential. In: Proceedings of SIGCSE 1994, Technical Symposium on Computer Science Education, pp. 238–242. ACM Press, New York (1994)
2. Ben-Ari, M.: Constructivism in computer science education. Journal of Computers in Mathematics and Science Teaching 20(1), 45–73 (2001)
3. Briand, J., Chevalier, M.C.: Les Enjeux Didactiques dans l’Enseignement des Mathématiques. Hatier (1995)
4. Bruner, J.S.: On Knowing: Essays for the Left Hand. Harvard University Press, MA (1962)
5. Chamorro, M., Belmonte Gómez, J.M., Llinares, S., Ruiz Higueras, M., Vecino-Rubio, F.: Didáctica de las Matemáticas para Primaria. Pearson, London (2003)