L. Bokopane and  K. Kusakana and  H. J. Vermaark,  Hybrid System Configurations and Charging Strategies for Isolated Electric Tuk-Tuk Charging Station in South Africa.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 95(11). 1671 - 1676
    [viewed 06 July 2020]. Available from: https://publications.waset.org/pdf/9999614.