Syuhri, A., I. Sholahuddin, S.N.H. Syuhri, and R.D.H. Qoryah. “Modeling and Evaluation of a Threshing Drum under Vertical Vibration”. Journal of Mechanical Engineering and Sciences 12, no. 2 (June 30, 2018): 3750–3758. Accessed July 12, 2024. https://journal.ump.edu.my/jmes/article/view/7917.