Mahmud, Abdul, Elvinus Persulessy, and Henry Patty. “KOMUTATOR DAN IDENTITAS KOMUTATOR”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 7, no. 1 (March 1, 2013): 29-30. Accessed April 16, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/243.