Study of optical properties of (PMMA) doped by methyl red and methyl blue films. Iraqi Journal of Physics, [S. l.], v. 12, n. 24, p. 47–51, 2019. DOI: 10.30723/ijp.v12i24.320. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/320.. Acesso em: 3 may. 2024.