PASARIBU, D. A. HUBUNGAN PEMBERIAN LATIHAN PURSED LIPS BREATHING (PLB) TERHADAP KUALITAS HIDUP KLIEN PENYAKIT PARU OBSTRUKTIF KRONIK (PPOK). JURNAL MUTIARA NERS, [S. l.], v. 2, n. 2, p. 195–202, 2019. Disponível em: http://e-journal.sari-mutiara.ac.id/index.php/NERS/article/view/858. Acesso em: 3 jul. 2024.