AL-Samarraie, Shibly Ahmed, and Ruaa Muayad AL-Wardie. “Sliding Mode Controller for Electromechanical System With Chattering Attenuation”. Al-Nahrain Journal for Engineering Sciences, vol. 18, no. 2, May 2017, pp. 208-1, https://nahje.com/index.php/main/article/view/179.