Ali, Hazem I., and Zain AlAbdeen M. Shareef. “Robust Controller Design for Two Wheeled Inverted Pendulum System”. Al-Nahrain Journal for Engineering Sciences 20, no. 3 (June 14, 2017): 562–569. Accessed May 30, 2026. https://nahje.journalpath.com/nahje/article/view/340.