AKALA, Benard Ungadi. Challenges in doctoral supervision in South African universities. Open Science Journal, [S. l.], v. 6, n. 2, 2021. DOI: 10.23954/osj.v6i2.2886. Disponível em: https://osjournal.org/ojs/index.php/OSJ/article/view/2886. Acesso em: 14 sep. 2025.