ALTAMA, G.; MUSTAR, M. Y.; SYAHPUTRA, R.; PRASETYO, T. I. Evaluation of Differential Protection in a Main Power Transformer: A Case Study in PT Pertamina Geothermal Energy Area of Kamojang. Journal of Electrical Technology UMY, [S. l.], v. 3, n. 2, p. 69–77, 2019. DOI: 10.18196/jet.3256. Disponível em: https://journal.umy.ac.id/index.php/jet/article/view/8267. Acesso em: 10 may. 2025.