NUR BALQIS KHALISSA KAMAROZAMAN and NORZURIA IBRAHIM, “APPLICATION OF SIR MODEL TO ANALYZE THE SPREADING OF COVID-19”, EKST, vol. 2, no. 1, pp. 423–432, Aug. 2022, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/ekst/article/view/5410