Rahma AN. TEOREMA INVERS MATRIKS SEGITIGA ATAS BERBENTUK KHUSUS ORDO n×n, n≥3. Jurnal Sains dan Matematika Unpam [Internet]. 2022 Jan. 1 [cited 2025 Apr. 11];4(2):163-72. Available from: https://openjournal.unpam.ac.id/index.php/jsmu/article/view/12329