Omar, N., Abdul Malek Abdul Wahab, Zainudin A. Rasid, A. Abu, and N. F. M. N. Rudin. “Parametric Resonance of Shaft With Variable Slenderness Ratio”. International Journal of Engineering and Technology 7, no. 2 (May 17, 2018): 759–763. Accessed May 22, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/11139.