Sihotang, Fernando, and Radhiatul Husna. “REACHABILITY POSITIF DARI SISTEM DISKRIT LINIER POSITIF”. Jurnal Matematika UNAND 7, no. 3 (February 19, 2019): 47–53. Accessed November 6, 2026. https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/369.