Nur Fadzillah, Harun and Zainah, Md. Zain (2015) Integral Backstepping Control for Stabilizing an Underactuated X4-AUV. In: International Conference on Innovation in Science and Technology (IICIST 2015) , 20 Apr 2015 , Kuala Lumpur. . (Unpublished) (Unpublished)