Wan Iskandar Mirza, W.I.I., Muhamad Norhisham Bin Abdul Rani, M.A. Yunus, D. Stancioiu, and V. Shripathi. “Estimating Rotational Frequency Response Function Using Mode Expansion and Frequency Response Function Synthesis Method”. International Journal of Automotive and Mechanical Engineering 18, no. 2 (June 17, 2021): 8738 –. Accessed March 29, 2024. https://journal.ump.edu.my/ijame/article/view/5693.