Borges, K. C. M., R. de F. Gonçalves, M. H. de M. Rodrigues, R. A. R. Arruda, M. R. de C. Santos, A. P. A. Marques, and M. Godinho Júnior. “Synthesis, Characterization and Optical Activity of RE-Doped ZnWO4 Nanorods and Nanospheres by Hydrothermal Method”. Orbital: The Electronic Journal of Chemistry, Vol. 11, no. 2, Apr. 2019, pp. 115-8, https://periodicos.ufms.br/index.php/orbital/article/view/15996.