du Toit, Dorita, and Anita E. Pienaar. “Current Level of Gross Motor Development of 3-6 Year-Old Children in Potchefstroom, South Africa”. African Journal for Physical Activity and Health Sciences 8, no. 1 (February 6, 2004): 106–119. Accessed October 11, 2026. https://www.ajol.info/index.php/ajpherd/article/view/24620.