Simangunsong, Pahala Maringan Jubel, et al. “Factors Influencing Infant Basic Immunization Uptake at Bestari Community Health Center, Medan”. Buletin Kedokteran & Kesehatan Prima, vol. 5, no. 1, Jan. 2026, pp. 18-24, https://jurnal.unprimdn.ac.id/index.php/bulkesprima/article/view/7970.