AKHTAR, K.; KHAN, M. A.; AHMAD, N.; KHAN, N.; SHAH, F.; AHMAD, J.; BADSHAH, S. Comparison of Damage and Undamaged Mechanical Structure using free vibration Analysis. Journal of the Pakistan Institute of Chemical Engineers, [S. l.], v. 46, n. 1, p. 1–8, 2018. Disponível em: http://piche.org.pk/journal/index.php/jpiche/article/view/377. Acesso em: 28 mar. 2024.