KHOERUNNISA, KHOERUNNISA; ADI, YUDI ARI. MASALAH KONTROL OPTIMAL PADA PENYEBARAN COVID-19 DI JAWA TENGAH DENGAN VAKSINASI. Jurnal Matematika UNAND, [S. l.], v. 10, n. 4, p. 538–552, 2021. DOI: 10.25077/jmu.10.4.538-552.2021. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/898. Acesso em: 4 nov. 2026.