Ruslie, Riska Habriel, Darmadi Darmadi, and Gontar Alamsyah Siregar. “Pediatric Immunization Practice During Coronavirus Disease-2019 Pandemic”. Open Access Macedonian Journal of Medical Sciences 8, no. T1 (October 4, 2020): 258–260. Accessed May 4, 2024. https://oamjms.eu/index.php/mjms/article/view/5125.