Irawan, S., Shanmugam, A. K., Hidayat, M. I. P., & Biyanto, T. R. (2019). Study of Lateral Vibration of Drilling String with Mass Imbalance Using Finite Element. International Journal on Advanced Science, Engineering and Information Technology, 9(3), 816–821. https://doi.org/10.18517/ijaseit.9.3.4478