Ubudiyah, M., S. Sholikhah, M. Saifudin, D. E. M. F. N. Rahmawati, and A. Aris. “Parent’s Knowledge and Anxiety Levels in Covid-19 Vaccination Program in Children Aged 6-11 Years in Lamongan”. Psychiatry Nursing Journal (Jurnal Keperawatan Jiwa), vol. 5, no. 1, Mar. 2023, pp. 23-27, doi:10.20473/pnj.v5i1.43325.