Mohd Imam Ma’arof, S.H. and Samat, N.A. 2013. 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, (Dec. 2013), 37–46.