Side S, Zaki A, Miswar. Numerical Solution of the Mathematical Model of DHF Spread using the Runge-Kutta Fourth Order Method. ARRUS J. Math. App. Sci. [Internet]. 2022 Apr. 5 [cited 2026 May 7];2(2):92-100. Available from: https://jurnal.ahmar.id/index.php/mathscience/article/view/745