Emi Nurlaela DK. PURSED LIPS BREATHING TERHADAP PENINGKATAN ARUS PUNCAK EKSPIRASI (APE) PASIEN ASMA. nsj [Internet]. 2021 Dec. 15 [cited 2026 Nov. 6];2(2):111-5. Available from: https://www.jurnal.spp.ac.id/index.php/nsj/article/view/87