Julianingsih, Intan, Roza Sri Yanti, and Bobby Indra Utama. 2022. “Analysis of the Implementation of the Basic Immunization Program for Infants During the Covid-19 Pandemic in the Work Area of the Bukittinggi City Health Office ”. Science Midwifery 10 (5):4331-41. https://doi.org/10.35335/midwifery.v10i5.1061.