Khasanah, Y. F., R. D. Fibriansari, and A. Astuti. “IMPLEMENTATION OF 30° HEAD-UP ELEVATION IN STROKE PATIENTS WITH A RISK OF CEREBRAL PERFUSION IS INEFFECTIVE”. Jurnal Penelitian Sains Dan Teknologi Indonesia, vol. 3, no. 2, Dec. 2024, pp. 407-14, https://journal.unej.ac.id/JPSTI/article/view/4041.