Titi Udjiani SRRM, Nikken Prima Puspita and Suryoto (2023) “Eksistensi Invers Moore Penrose Diperumum Elemen Normal Diperumum pada Ring dengan Involusi”, Limits: Journal of Mathematics and Its Applications, 20(1), pp. 107–112. Available at: https://journal.its.ac.id/index.php/limits/article/view/5496 (Accessed: 25 January 2026).