Susanto, Agus Dwi, Wahyu Antono, and Faisal Yunus. “Prevalence of Chronic Obstructive Pulmonary Disease (COPD) Among Street Sweepers in Jakarta ”. Journal Of The Indonesian Medical Association 70, no. 6 (July 16, 2020): 100-109. Accessed April 20, 2024. https://mki-ojs.idionline.org/jurnal/article/view/262.