β€œTHE ASSOCIATION BETWEEN TYPE 2 DIABETES MELLITUS COMORBIDITY AND THE SEVERITY OF ACUTE EXACERBATIONS IN COPD PATIENTS (2015–2025)”. VARIABLE RESEARCH JOURNAL 3, no. 03 (July 15, 2026): 639–650. Accessed September 19, 2026. https://variablejournal.my.id/index.php/VRJ/article/view/377.