Hanafi, D., M. S. Huq, M. S. Suid, and M. F. Rahmat. “A Quarter Car ARX Model Identification Based on Real Car Test Data”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 2-5, June 2017, pp. 135-8, https://jtec.utem.edu.my/jtec/article/view/2413.