Kamila Dyanti, T. et al. 2025. Development and Validation of a 3D Hologram-Based Learning Media for Emergency Preparedness in Islamic Boarding Schools. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal). 11, 4 (Oct. 2025), 592–600. DOI:https://doi.org/10.33755/jkk.v11i4.935.