D’Amore, Bruno. “Theoretical Foundations of the Investigation on the Learning of the Mathematics in Classroom: First Elements of Didactics of the Mathematics”. REVISTA EDUSER 5, no. 1 (June 10, 2018): 15–46. Accessed April 11, 2025. https://revistas.ucv.edu.pe/index.php/eduser/article/view/397.