“Stability Analysis and Optimal Control of the SEIR-SI Model for the Spread of Dengue Hemorrhagic Fever With Treatment Control”. Jurnal Matematika, Statistika dan Komputasi 23, no. 1 (September 15, 2026): 147–64. Accessed September 22, 2026. https://journal.unhas.ac.id/index.php/jmsk/article/view/51224.