Tanujiarso, Bagus Ananta. “Pemberian Posisi 450 Efektif Dalam Meningkatkan Saturasi Oksigen Dan Menurunkan Respiration Rate Pasien Congestive Heart Failure (CHF)”. NURSING UPDATE : Jurnal Ilmiah Ilmu Keperawatan P-ISSN : 2085-5931 e-ISSN : 2623-2871 13, no. 4 (November 30, 2022): 145–155. Accessed April 21, 2026. https://ojsnhm.com/index.php/NU/article/view/907.