Hod, Rozita. “The Impact of Air Pollution and Haze on Hospital Admission for Cardiovascular and Respiratory Diseases”. International Journal of Public Health Research 6, no. 1 (March 31, 2016): 707–712. Accessed April 29, 2024. https://spaj.ukm.my/ijphr/index.php/ijphr/article/view/49.