Hasanudin, S. F., F. Mohd Safar, N. S. N. Saaidun, and N. A. Nik Abdullah. “A Survey on Occupational Mental Health at a Private College in Northern Region of Peninsular Malaysia”. Advances in Business Research International Journal, vol. 8, no. 1, May 2022, pp. 1-9, https://journal.uitm.edu.my/ojs/index.php/Abrij/article/view/4298.