SUMARDI, Sitti Rosnafian; HISYAM, Muhammad. Development of a SEIR Model with Two Optimal Controls for Infectious Disease Control: Computational Simulation Using MATLAB. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 8, n. 1, p. 21–30, 2026. DOI: 10.30736/voj.v8i1.1293. Disponível em: https://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/1293. Acesso em: 8 nov. 2026.