van Niekerk, A., R. Govender, R. Jacobs, and A. van As. “Schoolbus Driver Performance Can Be Improved With Driver Training, Safety Incentivisation, and Vehicle Roadworthy Modifications”. South African Medical Journal, vol. 107, no. 3, Mar. 2017, pp. 188-91, doi:10.7196/samj.2017.v107i3.12363.