van der Walt, Bennie. “The Growing, Worldwide Movement for Christian Higher Education”. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship 50, no. 1-2 (May 29, 2014): 173-210. Accessed January 21, 2020. http://pubs.ufs.ac.za/index.php/tcw/article/view/343.