Fajar, Dewi Maulut, and Ruslan Laisouw. “Solution of Systems of Linear Equations Using Triangularization and Backward Substitution”. JURNAL BIOSAINSTEK 8, no. 2 (July 20, 2026): 154–159. Accessed July 22, 2026. https://journal.tyarlyta.com/index.php/biosaintek/article/view/2800.