Soon, A. C. R., S. H. Chong, and M. A. Said. “2-DOF Lead-Plus-PI Control Approach for Magnetic Levitation System”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 8, no. 11 (December 1, 2016): 35–40. Accessed April 20, 2024. https://jtec.utem.edu.my/jtec/article/view/1407.