Tucker, Roger. “Practical Theological Research into Education and Evolution in South African High Schools – Teaching Learners to Think!”. Nederduitse Gereformeerde Teologiese Tydskrif 53, no. 1&2 (January 26, 2012). Accessed August 2, 2026. https://ojs.reformedjournals.co.za/index.php/ngtt/article/view/794.