Azizan, Farah Liyana, Saratha Sathasivam, Siti Nur Aisyah Zainol, & Siti Najihah Mohd Tahir. " The COVID-19 Outbreak Transmission Dynamic Prediction with SIR Model using Runge-Kutta Method." Menemui Matematik (Discovering Mathematics) [Online], 44.2 (2022): 139-151. Web. 7 Dec. 2023