S. GHATAGE, Pankaj; SUDHAGAR, P. Edwin. Free Vibrational Behavior of Bi-Directional Functionally Graded Composite Panel with and Without Porosities Using 3D Finite Element Approximations. International Journal of Integrated Engineering, [S. l.], v. 15, n. 1, p. 131–144, 2023. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/9525.. Acesso em: 17 may. 2024.