ALI, F. .; MAIZ, F.; Y, E. S. Effect of UV irradiation on the structural and optical properties of polymethylmethacrylate (PMMA) doped with chromium nitrate. Journal of Qassim University for Science, [S. l.], v. 8, n. 1, p. 1–13, 2015. Disponível em: https://jnsm.qu.edu.sa/index.php/jnm/article/view/1768. Acesso em: 20 sep. 2024.