Mahzan, S., A.M. Ahmad Zaidi, N. Arsat, M. N. M. Hatta, M. I. Ghazali, and S. Rasool Mohideen. “Study on Sound Absorption Properties of Coconut Coir Fibre Reinforced Composite With Added Recycled Rubber”. International Journal of Integrated Engineering 2, no. 1 (June 21, 2010). Accessed April 28, 2024. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/126.