Draper, CE, L de Kock, AT Grimsrud, M Rudolph, S Nemutandani, T Kolbe-Alexander, and EV Lambert. 2010. “Evaluation of a School-Based Physical Activity Intervention in Alexandra Township”. South African Journal of Sports Medicine 22 (1):12-19. https://doi.org/10.17159/2078-516X/2010/v22i1a320.