RINA AMELIA. - Effectiveness of Education on Increasing Knowledge, Attitude, and Practice of Hygiene Behavior and Health Attitudes of Preschool-Aged Teachers in North Sumatera. Indonesia: Hygiene Behavior and Health Attitudes of Preschool-Aged Teachers. Journal of Saintech Transfer, [S. l.], v. 2, n. 2, p. 180–186, 2019. DOI: 10.32734/jst.v2i2.3691. Disponível em: https://idjpcr.usu.ac.id/jst/article/view/3691. Acesso em: 4 aug. 2025.