Carvalho Júnior Álvaro B de, Inácio MJ, Fonseca Júnior AS da, et al. Determination of Stiffness and Hardness of Glasses by using Acoustic Waves Testing. ijaers. 2022;9(3). Accessed November 21, 2024. https://journal-repository.com/index.php/ijaers/article/view/4803