Rahimi, Muhammad Ammar, et al. “The Relationship of Smartphone Addiction and Depression, Anxiety and Stress Among UTHM Diploma Students”. Multidisciplinary Applied Research and Innovation, vol. 7, no. 1, Jan. 2026, pp. 16-21, https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/21600.