Determinant Factors Associated with Behavior of COVID-19 Vaccination Acceptance in Elderly in Manutapen Health Center, Kupang, East Nusa Tenggara. J HEALTH PROMOT BEHAV. 2022;7(3):262-272. Accessed December 23, 2025. https://thejhpb.com/index.php/thejhpb/article/view/378