Ohn Zin Lin and  Okka and  Cho Cho Myint,  Modified Techniques for Distribution System Reliability Improvement by Parallel Operation of Transformers.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2019, vol. 150(6). 396 - 402
    [viewed 22 November 2019]. Available from: https://publications.waset.org/pdf/10010463.