HERMAN, C. Obstacles to success – doctoral student attrition in South Africa. Perspectives in Education, [S. l.], v. 29, n. 3, p. 40–52, 2011. DOI: 10.38140/pie.v29i3.1693. Disponível em: https://journals.ufs.ac.za/index.php/pie/article/view/1693. Acesso em: 18 may. 2024.