“Correlational Study of Air Pollution-Related Diseases (asthma, Conjunctivitis, URTI and Dengue) in Johor Bahru, Malaysia”. Malaysian Journal of Fundamental and Applied Sciences 13, no. 4-1 (December 5, 2017): 354–361. Accessed September 21, 2026. https://mjfas.utm.my/index.php/mjfas/article/view/897.