Rehman, M.Z., N. Mohd Nawi, and M.I. Ghazali. 2012. “Predicting Noise-Induced Hearing Loss (NIHL) and Hearing Deterioration Index (HDI) in Malaysian Industrial Workers Using GDAM Algorithm”. Journal of Engineering and Technology (JET) 3 (June):179-97. https://jet.utem.edu.my/jet/article/view/222.