Koopman, NN. “Christian Ethics in Post-Apartheid South Africa – a Reformed Perspective”. NGTT | Nederduitse Gereformeerde Teologiese Tydskrif 43, no. 3&4 (July 31, 2015). Accessed October 19, 2025. https://ojs.reformedjournals.co.za/index.php/ngtt/article/view/88.