Pienaar, A E. “Prevalence of Overweight and Obesity in Grade 1 Learners in the North West Province of South Africa: The NW-CHILD Study”. South African Journal of Sports Medicine 26, no. 4 (December 15, 2014): 109–114. Accessed May 2, 2024. https://journals.assaf.org.za/index.php/sajsm/article/view/502.