Water Sanitation and Hygiene (WASH): Merits and Demerits in schools. Surabaya Biomedical Journal, [S. l.], v. 5, n. 1, 2025. DOI: 10.30649/. Disponível em: https://sub-biomed.id/index.php/sbj/article/view/170. Acesso em: 9 oct. 2025.