MUTANDA, T.; GUMEDE, P. R.; MAYISELA, T. .; NG’AMBI, D. Using a design-based research approach for a supplementary instruction programme: A pedagogical intervention during the COVID-19 pandemic. South African Journal of Higher Education, [S. l.], v. 37, n. 6, p. 271–285, 2023. DOI: 10.20853/37-6-5243. Disponível em: https://www.journals.ac.za/sajhe/article/view/5243. Acesso em: 7 oct. 2025.