Karima, Fatimah Hasna, Argyo Demartoto, and Bhisma Murti. “Effects of Social Support, Perceived Threat, and Witnessing Death on the Risk of Post-Traumatic Stress Disorder: Meta-Analysis”. Journal of Epidemiology and Public Health 8, no. 3 (July 16, 2023): 396–409. Accessed May 11, 2024. https://www.jepublichealth.com/index.php/jepublichealth/article/view/606.