hustim M, Ramli MI, Zakaria R, A R Z. The Effect of Speed Factors and Horn Sound to The RLS 90 Model Reliability on The Visum Program in Predicting Noise of Heterogeneous Traffic. ijie [Internet]. 2018 May 8 [cited 2024 May 4];10(2). Available from: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/2631