Draper, C., de Kock, L., Grimsrud, A., Rudolph, M., Nemutandani, S., Kolbe-Alexander, T., & Lambert, E. (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