SCHECKLE, L. An Activity Theory analysis: reasons for undergraduate students’ absenteeism at a South African university. South African Journal of Higher Education, [S. l.], v. 28, n. 2, 2016. DOI: 10.20853/28-2-334. Disponível em: https://www.journals.ac.za/sajhe/article/view/334. Acesso em: 7 oct. 2025.