WASET
    Tsietsi J. Pilusa and  Tumisang G. Seodigeng ,  Integrated Waste-to-Energy Approach: An Overview.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 135(3). 211 - 220
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10008657.