Silalahi KL. PENGARUH PULSED LIP BREATHING EXERCISE TERHADAP PENURUNAN SESAK NAPAS PADA PASIEN PENYAKIT PARU OBSTRUKTIF KRONIK (PPOK) DI RSU ROYAL PRIMA MEDAN 2018. jukep [Internet]. 2019 Jan. 31 [cited 2025 Oct. 26];2(1):93-103. Available from: https://jurnal.unprimdn.ac.id/index.php/jukep/article/view/395