MANURUNG, Midian. KETEROBSERVASIAN SISTEM LINIER DISKRIT. Jurnal Matematika UNAND, [S. l.], v. 4, n. 1, p. 108–114, 2015. DOI: 10.25077/jmu.4.1.108-114.2015. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/179. Acesso em: 3 nov. 2026.