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, [S. l.], v. 13, n. 4, p. 145–155, 2022. DOI: 10.36089/nu.v13i4.907. Disponível em: https://ojsnhm.com/index.php/NU/article/view/907. Acesso em: 21 apr. 2026.