NAGEL, A.; BIEDERMANN, H. Attendance Without Presence: Measuring Cognitive Class Avoidance Among Students. Central European Journal of Educational Research, [S. l.], v. 3, n. 3, p. 71–82, 2021. DOI: 10.37441/cejer/2021/3/3/9786. Disponível em: https://ojs.lib.unideb.hu/CEJER/article/view/9786. Acesso em: 18 may. 2022.