Strauss, D. F. M. “The Typical Functioning of Humans Within the Physical and Biotic Aspects of Reality”. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship 48, no. 3-4 (December 21, 2012): 179-201. Accessed April 24, 2024. https://pubs.ufs.ac.za/index.php/tcw/article/view/294.