“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” (2023) Jurnal Surya Medika (JSM), 9(1), pp. 63–72. doi:10.33084/jsm.v9i1.5146.