Sánchez, J.C. and Valdivè, C. (2019) “Proximities when actuating epistemic-cognitive mathematics. prelude that springs from testimonies of novice and expert mathematicians. an exploratory study”, Gestión y Gerencia, 12(2), pp. 50–86. Available at: https://mail.revistas.uclave.org/index.php/gyg/article/view/2011 (Accessed: 4 October 2026).