Okfriani, Coraima, and Evi Martha. “Barriers and Facilitators to Improving Routine Vaccination Coverage in East Aceh During the COVID-19 Pandemic: A Qualitative Study”. BKM Public Health and Community Medicine 39, no. 05 (May 26, 2023): e7139. Accessed July 8, 2024. https://dev.journal.ugm.ac.id/v3/BKM/article/view/7139.