I Gusti Ngurah Juniartha and I. K. . Saputra, “Pengaruh video bantuan hidup dasar (bhd) terhadap self-efficacy polisi dalam melakukan pertolongan pertama kegawatdaruratan lalu lintas di kota denpasar: The effect of basic life support (bls) video on police’s self-efficacy in delivering first aid support of traffic emergency at denpasar city”, BMJ, vol. 9, no. 1, pp. 107–115, Jul. 2022.