Andri, Florensius, and Christianus Eko Purwanto Widoroni. “Passive Mobilization Analysis To Prevent Decubitus Grade I Ulcuss In Cerebro Vascular Accident Patients”. STRADA : Jurnal Ilmiah Kesehatan, vol. 9, no. 2, Nov. 2020, pp. 1824-9, doi:10.30994/sjik.v9i2.581.