Effect of Fibres Length on Acoustic Properties of Betel Nut Husk (Areca Nut Husk) Fibers–Reinforced Epoxy Composites. Jurnal Teknik Mesin, [S. l.], v. 9, n. 2, p. 46–51, 2019. DOI: 10.21063/jtm.2019.v9.i2.46-51. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/532. Acesso em: 10 sep. 2025.