Wiyanti, P.S. et al. 2026. The Effect of Implementing Respiratory Muscle Training with Pursed Lips Breathing Technique on Pulmonary Ventilation Function in Patients with COPD at Advent Hospital Lampung. JURNAL KESEHATAN STIKes MUHAMMADIYAH CIAMIS. 13, 1 (Apr. 2026), 63–71. DOI:https://doi.org/10.52221/jurkes.v13i1.1010.