DAWOOD, Hussain A.; ABDULLAH, Oday. I. Free Vibration Analysis for Dynamic Stiffness Degradation of Cracked Cantilever Plate. Al-Khwarizmi Engineering Journal, [S. l.], v. 1, n. 2, p. 86–102, 2017. Disponível em: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/14. Acesso em: 6 jan. 2026.