SEGABUTLA, M.; EVANS, R. Lack of lecturer clarity during instruction: Possible reason for poor throughput?. South African Journal of Higher Education, [S. l.], v. 33, n. 3, p. 115–131, 2019. DOI: 10.20853/33-3-2224. Disponível em: https://www.journals.ac.za/sajhe/article/view/2224. Acesso em: 7 oct. 2025.