Tensile Behaviour and Hardness of Coconut Fibre-Ortho Unsaturated Polyester Composites. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 1, p. 1–6, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/103126. Acesso em: 26 oct. 2026.