Apriyanto, Yogo, Nursalam Nursalam, and Arie Sunarno. “Technical Indicators of Cardio-Pulmonary Resuscitation (Cpr) With Traveling Time 20, 40 and 60 Km/H”. Jurnal Ners 5, no. 1 (April 2, 2017): 21–28. Accessed August 15, 2024. https://e-journal.unair.ac.id/JNERS/article/view/3920.