M. Z. MUTHAZA, Sim Sy Yi, and M. . Zulkifli, “Thermal Analysis on Transformer In Substation: Transformer Material Selection”, peat, vol. 3, no. 2, pp. 533–542, Dec. 2022, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/7949