VAN DER WALT, Bennie J. How and why the Potchefstroom University for Christian Higher Education became a secular institution: A personal analysis. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 50, n. 3, p. 13–48, 2014. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/346. Acesso em: 18 sep. 2025.