Measurement of the sound absorption coefficient of palm frond fiber composites with synthetic adhesives. Jurnal Teknik Mesin, [S. l.], v. 12, n. 2, p. 131–137, 2022. DOI: 10.21063/jtm.2022.v12.i2.131-137. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/719. Acesso em: 21 agu. 2025.