Gayibov T.Sh., Latipov Sh.Sh., Shanazarov A.E., Abdurashidov D.Sh. 2020. “Minimization of Losses in Electric Networks by Optimization of Transformer Ratios”. International Journal of Advanced Science and Technology 29 (11s), 1438 -44. http://sersc.org/journals/index.php/IJAST/article/view/21011.