Development and application of a lightweight educational technology on the national childhood immunization calendar in Brazil. Research, Society and Development, [S. l.], v. 10, n. 15, p. e319101522900, 2021. DOI: 10.33448/rsd-v10i15.22900. Disponível em: https://rsdjournal.org/rsd/article/view/22900. Acesso em: 5 dec. 2025.