Coetzee, D, and AE Pienaar. “The Role of Visual Functions in Persisting Developmental Coordination Disorder (DCD) Among 7-Year-Old Children: A Follow-up Study”. African Journal for Physical Activity and Health Sciences 16, no. 2 (June 29, 2010). Accessed September 10, 2026. https://www.ajol.info/index.php/ajpherd/article/view/55964.