WASET
    L. Ngowi and  N. H. Mvungi,  Socio-Technical Systems: Transforming Theory into Practice.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2018, vol. 134(2). 310 - 316
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10008768.