Yuliyanti, S., F. M. . Rifqi, R. L. . Prasetyo, E. . Nurhasanah, A. B. . Priambada, and P. Abbas. “Analysis of Basic Immunization Services During the COVID-19 Pandemic at Public Health Centers in Semarang”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. E, Nov. 2021, pp. 1338-44, doi:10.3889/oamjms.2021.7336.