SOUND ABSORPTION COEFFICIENT OF NATURAL FIBRES HYBRID REINFORCED POLYESTER COMPOSITES. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 76, n. 9, 2015. DOI: 10.11113/jt.v76.5643. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/5643.. Acesso em: 22 dec. 2024.