MAHZAN, S.; AHMAD ZAIDI, A.; ARSAT, N.; M. HATTA, M. N.; GHAZALI, M. I.; MOHIDEEN, S. R. Study on Sound Absorption Properties of Coconut Coir Fibre Reinforced Composite with Added Recycled Rubber. International Journal of Integrated Engineering, [S. l.], v. 2, n. 1, 2010. Disponível em: Acesso em: 4 jul. 2022.