Optimization of Drilling Parameters for PMMA Acrylic. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 3, n. 5, p. 434–444, 2016. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/4776. Acesso em: 9 sep. 2025.