De Villiers, Rian, and William Fraser. “Critical Food and Nutrition-Related Issues in Life Sciences Curricula for Public South African Schools”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 32, no. 1 (December 4, 2013): 9 bladsye. Accessed April 19, 2024. http://satnt.ac.za/index.php/satnt/article/view/366.