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. J.Saintech Transf. [Internet]. 2019Nov.22 [cited 2024May21];2(2):180-6. Available from: https://talenta.usu.ac.id/jst/article/view/3691