ABDUL AZIZ, M. A.; MOHD SARI, K. A. Comparison of Sound Absorption Coefficient for Natural Fiber. Progress in Engineering Application and Technology, [S. l.], v. 2, n. 1, p. 157–163, 2021. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/710. Acesso em: 22 feb. 2024.