Ardiansyah F, Baedlawi A, H. Amandus, Handayani V, Rahayu H, Sudarto, et al. IMPLEMENTING PUBLIC EDUCATION TO IMPROVE OPTIMIZING AIRWAY CLEARANCE WITH BREATHING EXERCISE TECHNIQUES FOR ADULT PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD). CSJI [Internet]. 2025 Jun. 10 [cited 2026 Jun. 27];7(1):1-6. Available from: https://ejournal-kertacendekia.id/index.php/csji/article/view/757