Leong, Jong Jee, Helmi Sumilan, Heng Chin Siong, and Florianna Lendai Michael. “Smoking and Its Impacts on Absenteeism and Stress: A Preliminary Study”. Cognition and Interactive Technologies 2, no. 1 (September 1, 2016): 13–23. Accessed July 18, 2026. https://publisher.unimas.my/ojs/index.php/JCSHD/article/view/358.