SING, N. International students in the South African higher education system: A review of pressing challenges. South African Journal of Higher Education, [S. l.], v. 29, n. 4, 2016. DOI: 10.20853/29-4-506. Disponível em: https://www.journals.ac.za/sajhe/article/view/506. Acesso em: 7 oct. 2025.