“ANALISA EFISIENSI DAYA DAN RUGI DAYA TRANSFORMATORPADA GARDU INDUK PLN MANGKUNEGARAN 150 KV”, IPSSJ, vol. 2, no. 2 Maret, pp. 1434–1452, May 2025, Accessed: Oct. 21, 2026. [Online]. Available: https://ipssj.com/index.php/ojs/article/view/194