Silahuddin, S. M., A. M. Aizuddin, S. Mohamaddan, S. T. Syed Shazali, M. S. Z. M. Suffian, A. M. Tazuddin, and A. S. Abdullah. “Design and Development of a Modular Vibration Test Rig for Combination Types of Fault in Rotating Machinery Health Diagnosis”. Journal of Mechanical Engineering and Sciences, Vol. 13, no. 3, Sept. 2019, pp. 5323 -3, doi:10.15282/jmes.13.3.2019.08.0434.