Kosayriyah, S. D. (2021) “Analisis Efektifitas Pursed Lip Breathing dan Balloon Blowing untuk Meningkatkan Saturasi Oksigen pada Pasien COPD (Chronic Obstructive Pulmonary Disease): Analysis of Effectiveness of Pursed Lip Breathing and Balloon Blowing to Increase Oxygen Saturation in COPD (Chronic Obstructive Pulmonary Disease) Patients”, Jurnal Sains dan Kesehatan, 3(2), pp. 328–334. doi: 10.25026/jsk.v3i2.252.