RATIH WULANSARI. The Effectiveness of Education based on Youtube Videos in Promoting the COVID-19 Vaccine among Parents. Health Research Journal, [S. l.], v. 3, n. 1, p. 16–21, 2025. Disponível em: https://www.jurnal.cakrabirawamedia.com/index.php/hrj/article/view/125. Acesso em: 17 oct. 2026.