Wirawan, Candra Adi, and Sandi Alfa Wiga Arsa. “Development of Guide Basic Life Support (BLS) Application Based on Android to Increase Accuracy Compression Ritme And Ventilation to Handling of Out Hospital Cardiac Arrest”. Babali Nursing Research 1, no. 1 (March 14, 2020): 18-30. Accessed July 26, 2021. https://babalinursingresearch.com/index.php/BNR/article/view/2.