ARROYO JIMÉNEZ, Marcelo. Modalities in University Teaching. Ensayos Pedagógicos Journal, [S. l.], p. 113–133, 2009. DOI: 10.15359/rep.esp-09.8. Disponível em: https://www.revistas.una.ac.cr/index.php/ensayospedagogicos/article/view/5751.. Acesso em: 17 jul. 2024.