Lugo Medina, E. et al. 2019. Elaboration of SiO2-PMMA-Nanoparticles of ZnO/Tio2, Hybrid Coatings. Latin American Journal of Applied Engineering. 2, 1 (dic. 2019), 25–30. DOI:https://doi.org/10.69681/lajae.v2i1.12.