[1]
W. Nurhidayat, S. Salsabilla, M. F. Maulana, and Ernirita, “The Effectiveness of Balloon-Blowing Therapy in Improving Oxygen Saturation in Patients with Chronic Obstructive Pulmonary Disease (COPD): A Case Study”, Jurnal Ilmiah Penelitian Kesehatan, vol. 5, no. 3, pp. 678–684, Oct. 2026.