Rade M. Ciric ,  Teaching Contemporary Power Distribution and Industrial Networks in Higher Education Vocational Studies.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2018, vol. 136(4). 318 - 322
    [viewed 14 December 2019]. Available from: https://publications.waset.org/pdf/10008918.