Jacobs, A. C. “An Evaluation of Different Kinds of Spirituality”. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship 49, no. 3 (August 30, 2013): 143-180. Accessed May 29, 2025. https://pubs.ufs.ac.za/index.php/tcw/article/view/319.