Mahzan, S. and Awang Harun, H.H. (2024) “Design Evaluation on Sound Absorption Performance of Coconut Husk added with Pineapple Leaf Panel”, Research Progress in Mechanical and Manufacturing Engineering, 4(2), pp. 156–161. Available at: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/11487 (Accessed: 12 March 2026).