Masdalifah, Nur, Riada M. Pasaribu, Eka S.R sihombing, and Saroha Dame Silaban. “Factors Affecting The Success Rate Of The Covid-19 Vaccination Program In Silou Buttu Village, Pamatang Raya District, Simalungun Regency In 2022”. Jurnal EduHealth 13, no. 02 (December 19, 2022): 955–964. Accessed December 5, 2024. https://ejournal.seaninstitute.or.id/index.php/healt/article/view/758.