WASET
Chen, Y. , Sardahi, Y. , Hajjar, S. , Greer, C.. "Multi-Objective Optimal Design of a Cascade Control System for a Class of Underactuated Mechanical Systems". World Academy of Science, Engineering and Technology, Open Science Index 161, International Journal of Mechanical and Mechatronics Engineering (2020), 14(5), 231 - 237.