Mohd Imam Ma’arof, Syafiqah Husna, and Nor Azah Samat. “Standardized Morbidity Ratio and Its Application to Chikungunya Disease Mapping in Malaysia: Standardized Morbidity Ratio Dan Aplikasinya Terhadap Pemetaan Penyakit Chikungunya Di Malaysia”.
Journal of Science and Mathematics Letters 1 (December 18, 2013): 37–46. Accessed April 8, 2025.
https://ejournal.upsi.edu.my/index.php/JSML/article/view/4306.