Nastiti EM. Relationship of Knowledge Level of First Aid at Layperson of School-Age Children Against Self-Efficacy in Handling Injury Cases: a Systematic Review. jkds [Internet]. 2020 Oct. 31 [cited 2025 Nov. 22];8(2):148-53. Available from: https://journal.uds.ac.id/index.php/jkds/article/view/232