Sumardi, Nur Athirah, Narehan Hassan, Mazuin Mat Halif, and Natasha Dzulkalnine. “The Roles of Emotional Intelligence in Developing Optimism Among Public University Students in Perak, Malaysia”. Information Management and Business Review 15, no. 3(SI) (September 17, 2023): 50-58. Accessed July 3, 2024. https://ojs.amhinternational.com/index.php/imbr/article/view/3457.