The study of nonlinear optical properties of rhodamine B dye and TiO2 nanoparticles doped in PMMA polymer. Iraqi Journal of Physics, [S. l.], v. 15, n. 33, p. 96–100, 2019. DOI: 10.30723/ijp.v15i33.145. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/145.. Acesso em: 30 apr. 2024.