Motivational and psycho-pedagogical elements in digital educational materials for self-learning in the virtual modality. Revista Torreón Universitario, [S. l.], v. 8, n. 22, p. 24–37, 2019. DOI: 10.5377/torreon.v8i22.9027. Disponível em: https://revistas.unan.edu.ni/index.php/Torreon/article/view/3246. Acesso em: 6 aug. 2025.