Budi Surodjo, and Saifullah Ali. “truktur ubring eret angkat ergeneralisasi ebagai impunan atriks erindeks onoid”. Limits: Journal of Mathematics and Its Applications 21, no. 2 (July 15, 2024): 191–200. ccessed December 6, 2025. https://journal.its.ac.id/index.php/limits/article/view/5502.