Health Education: the Effective Handwashing for Early Childhood at Al-Shafa Kindergarten Deli Serdang Regency in 2024. JURNAL PENGMAS KESTRA (JPK), [S. l.], v. 5, n. 1, p. 160–165, 2025. DOI: 10.35451/rmkjs636. Disponível em: https://ejournal.medistra.ac.id/index.php/JPK/article/view/2848. Acesso em: 3 dec. 2025.