LUBIS, Kholijah; ZULAKMAL, Zulakmal. SOLUSI SISTEM PERSAMAAN DIFERENSIAL FRACTIONAL LINIER POSITIF. Jurnal Matematika UNAND, [S. l.], v. 8, n. 1, p. 157–162, 2019. DOI: 10.25077/jmu.8.1.157-162.2019. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/420. Acesso em: 3 nov. 2026.