Sutrisno, Sutrisno, Ayuk P.S, and Mayta S.D. 2024. “Pursed Lips Breathing on Heart Rate and Breathing Patterns in Bronchial Asthma Patients ”. Science Midwifery 12 (3):1249-55. https://doi.org/10.35335/midwifery.v12i3.1602.