K. M. Koa and S. Saharan, “Predictive Analysis On Recovery of Covid-19 Patients in Singapore by Using Data Mining Techniques”, EKST, vol. 2, no. 2, pp. 021–031, Nov. 2022, Accessed: May 03, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/5250