ATSHAN, R. S. . Effectiveness of Intervention Program on Primary School Pupils’ about Hand-washing Practices. Academia Open, [S. l.], v. 9, n. 1, 2024. DOI: 10.21070/acopen.9.2024.8683. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/8683. Acesso em: 15 dec. 2025.