HAMDAN, N. I.; ZAINULABIDIN, M. H.; KASRON, M. Z.; MOHD KASSIM, A. S.; ISMAIL, A. E. Effect of Perforation Size on Sound Absorption Characteristics of Membrane Absorber. International Journal of Integrated Engineering, [S. l.], v. 10, n. 4, 2018. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/2335. Acesso em: 12 dec. 2023.