Human, Piet. “Learning via Problem Solving in Mathematics Education”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 28, no. 4 (September 7, 2009): 303-318. Accessed May 2, 2024. http://satnt.co.za/index.php/satnt/article/view/177.