Modificación del color de discos de acrílico sometidos en diferentes composiciones liquidas y gaseosa: Modification of the color of acrylic discs subjected to different liquid and gaseous compositions. (2021). Scientia Oralis Salutem ISSN 2789-2794, 2(2), 6-13. https://revistas.unc.edu.py/index.php/founc/article/view/40