PENGARUH TERAPI PERNAFASAN DIAFRAGMA TERHADAP KENYAMANAN PADA PASIEN PARU OBSTRUKTIF KRONIK (PPOK) BERBASIS TEORI OF COMFORT. JATB [Internet]. 2023 Aug. 9 [cited 2025 Oct. 31];2(2):51-9. Available from: https://jurnal.poltektiarabunda.ac.id/index.php/jatb/article/view/223