GUTIÉRREZ-MORENO, L. I. Evaluation of an online course of remedial Mathematics. HETS Online Journal, [S. l.], v. 10, n. 1, p. 56-89, 2019. DOI: 10.55420/2693.9193.v10.n1.299. Disponível em: https://hets.org/ojournal/index.php/hoj/article/view/299. Acesso em: 14 sep. 2025.