Andriani, Susi, Fitriani Ningsih, and Riska Ovany. “Hubungan Pengetahuan Tentang Vaksin Covid-19 Dengan Tingkat Kecemasan Orang Tua Yang Anaknya Menerima Vaksin Di Wilayah Kerja UPT Puskesmas Kereng Bangkirai: Correlation of Knowledge about Covid-19 Vaccine With Anxiety Level of Parents Which Children Received Vaccine in The Work Area of UPT Puskesmas Kereng”. Jurnal Surya Medika (JSM) 9, no. 1 (April 27, 2023): 63–72. Accessed April 3, 2025. https://ojs.umpr.ac.id/jsm/article/view/5146.