DÍAZ GÓMEZ, J. L. Heart Rate Recovery as a Context for Teaching the Exponential Function: A Didactical Design Based on the Theory of Objectification, Mathematical Modeling, and Covariational Reasoning. El cálculo y su enseñanza, [S. l.], v. 22, n. 1, p. 50–76, 2026. DOI: 10.61174/recacym.v22i1.255. Disponível em: https://www.recacym.org/index.php/recacym/article/view/255. Acesso em: 12 nov. 2026.