AL-AZZAWI, Adel A. Free Vibration of Simply Supported Beam on Elastic Foundations. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 20, n. 2, p. 353–357, 2017. Disponível em: https://nahje.com/index.php/main/article/view/114.. Acesso em: 21 nov. 2024.