Akhtar, K., Khan, M. A., Ahmad, N., Khan, N., Shah, F., Ahmad, J. and Badshah, S. (2018) “Comparison of Damage and Undamaged Mechanical Structure using free vibration Analysis”, Journal of the Pakistan Institute of Chemical Engineers, 46(1), pp. 1–8. Available at: http://piche.org.pk/journal/index.php/jpiche/article/view/377 (Accessed: 29 March 2024).