WASET
    T. Mokhele and  O. Mutanga and  F. Ahmed,  Comparison of Automated Zone Design Census Output Areas with Existing Output Areas in South Africa.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2018, vol. 138(6). 124 - 130
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10009180.