“Finite Element Calculation of Leakage Reactance in Distribution Transformer Wound Core Type Using Energy Method”, J. eng. sustain. dev., vol. 16, no. 3, pp. 297–320, Sep. 2012, Accessed: Jul. 22, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1285