Gouda, O. E., G. M. Amer, and W. A. A. Salem. “A Study of K- Factor Power Transformer Characteristics by Modeling Simulation”. Engineering, Technology & Applied Science Research 1, no. 5 (October 17, 2011): 114–120. Accessed June 12, 2026. https://www.etasr.com/index.php/ETASR/article/view/59.