Kartika F, Irine. “PENERAPAN RELE DIFFERENSIAL DI TRANSFORMATOR 30 MVA”. Jurnal Ampere 1, no. 2 (February 17, 2017): 60–69. Accessed May 5, 2024. https://jurnal.univpgri-palembang.ac.id/index.php/ampere/article/view/902.