Mahmud, N. L., R. Adnan, and , N. Mohd Arshad. “Non-Linear System Controller Design Using Sliding Mode Control”. Selangor Science & Technology Review (SeSTeR), Vol. 5, no. 1, Feb. 2021, pp. 47-53, https://sester.journals.unisel.edu.my/ojs/index.php/sester/article/view/207.