Wessels, Dirk. “The Possibilities of a Modelling Perspective for School Mathematics”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 28, no. 4 (September 7, 2009): 319-318. Accessed May 1, 2024. http://www.satnt.ac.za/index.php/satnt/article/view/178.