Acoustic Characterization of Composites Made of Gypsum and Pineapple Leaf Fibres. American Journal of IR 4.0 and Beyond, [S. l.], v. 2, n. 2, p. 30–38, 2023. DOI: 10.54536/ajirb.v2i2.1802. Disponível em: https://e-pallipublishers.com/index.php/ajirb/article/view/1802. Acesso em: 29 jul. 2026.