Tarigan, A. P. S. and Juliandi, J. (2019) “PERNAFASAN PURSED LIP BREATHING MENINGKATKAN SATURASI OKSIGEN PENDERITA PENYAKIT PARU OBSTRUKTIF KRONIS (PPOK) DERAJAT II”, JURNAL ONLINE KEPERAWATAN INDONESIA, 1(2), pp. 39–46. Available at: http://114.7.97.221/index.php/Keperawatan/article/view/426 (Accessed: 22 November 2024).