WASET
    Thandokazi Nyangiwe and  Christopher Amoah and  Charles P. Mukumba,  The Emergence of Construction Mafia in South Africa: The Implication on the Construction Industry.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2023, vol. 203(11). 422 - 426
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013334.