Dahnial, I., Nasution, I. S. and Hasibuan, M. F. (2021) “Readiness of Parents of Students Against Vaccination During the Covid 19 Pandemic”, International Journal of Economic, Technology and Social Sciences (Injects), 2(2), pp. 629 –639. Available at: https://jurnal.ceredindonesia.or.id/index.php/injects/article/view/728 (Accessed: 23 August 2025).