NDABA, M. When fees fall: Conceptualizing "free" higher education as a public good. South African Journal of Higher Education, [S. l.], v. 37, n. 6, p. 8–23, 2023. DOI: 10.20853/37-6-5969. Disponível em: https://www.journals.ac.za/sajhe/article/view/5969. Acesso em: 7 oct. 2025.