Hikmah, Kholishotul, Helda Helda, Gea Melinda, M. Ibraar Ayatullah, and Lucky Prisandy. “The Association Between Workload of Frontline Health Workers and The Risk of Perceived Stress During COVID-19 Mass Vaccination: A Cross-Sectional Survey”. Ahmar Metastasis Health Journal 4, no. 4 (March 29, 2025): 228–235. Accessed April 15, 2026. http://ahmareduc.or.id/journal/index.php/AMHJ/article/view/468.