STUDY OF THE MECHANICAL PROPERTIES FOR UNSATURATED POLYESTER REINFORCED BY NATURAL FIBERS. Al-Nahrain Journal of Science, [S. l.], v. 13, n. 3, p. 65–68, 2018. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/1042.. Acesso em: 22 nov. 2024.