Larubun, N., & Persulessy, E. (2020). STRUKTUR DASAR RING REFLEKSIF QUASI α. Prosiding Seminar Nasional Pendidikan Matematika Universitas Pattimura, 1(1), 69-72. Retrieved from https://ojs3.unpatti.ac.id/index.php/mathedu/article/view/1618