Arifuddin, Arifuddin, Fitrian Rayasari, Dewi Anggraini, and Wati Jumaiyah. “Effect of Orthopneic Position and Pursed-Lip Breathing on Dyspnea in Patients With Chronic Obstructive Pulmonary Disease”. Lentera Perawat 7, no. 1 (March 1, 2026): 131–138. Accessed August 9, 2026. https://jurnal.stikesalmaarif.ac.id/index.php/lenteraperawat/article/view/695.