VAN DER WALT, B. J. ’n Reformatories-filosofiese evaluering van (semi-)mistieke spiritualiteit. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 52, n. 1, p. 91–118, 2016. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/392. Acesso em: 15 oct. 2025.