SWASTIKA H. KRITERIA KEPOSITIFAN SISTEM DESKRIPTOR LINIER KONTINU. Jurnal Matematika UNAND [Internet]. 2019 Jul. 15 [cited 2026 Oct. 31];8(2):195-200. Available from: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/524