Naudé, PJ. “Models of ‘happiness’ – A South African Perspective”. NGTT | Nederduitse Gereformeerde Teologiese Tydskrif 52, no. 3&4 (January 26, 2012). Accessed October 18, 2025. https://ojs.reformedjournals.co.za/index.php/ngtt/article/view/1142.