Ali, Hazem I., and Azhar Jabbar Abdulridha. “H-Infinity Sliding Mode Controller Design for a Human Swing Leg System”. Al-Nahrain Journal for Engineering Sciences 23, no. 2 (September 18, 2020): 117–126. Accessed May 30, 2026. https://nahje.journalpath.com/nahje/article/view/213.