Margo Pujiantara, Teuku Rizki Firdausi, Vincentius Raki Mahindara, and Vita Lystianingrum. “Setting Differential Relay Transformer (87T) Dengan Pertimbangan Vector Group Pada PLTU Tenayan 2x110 MW”. SinarFe7, vol. 3, no. 1, Sept. 2020, https://journal.fortei7.org/index.php/sinarFe7/article/view/284.