Md. Zain, Zainah, NurFadzillah Harun, Nur Natasha Hanipah, and Norhafizah Md. Zain. “Backstepping and Sliding-Mode Methods for Stabilizing an Underactuated X4-AUV”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9, no. 2-3 (June 1, 2017): 1–7. Accessed March 29, 2024. https://jtec.utem.edu.my/jtec/article/view/2264.