JASIM, Aseel S. Preparation and Optical Characterization of Polymer Composites Reinforced by Natural Materials. Al-Nahrain Journal of Science, [S. l.], v. 19, n. 1, p. 91–97, 2018. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/260. Acesso em: 22 may. 2026.