BHATTACHARYYA, Sayan. Water sanitation: The need of the hour. Eastern Journal of Medical Sciences, [S. l.], v. 2, n. 3, p. 41, 2017. DOI: 10.32677/ejms.v2i3.262. Disponível em: https://www.mansapublishers.com/ejms/article/view/262. Acesso em: 27 apr. 2026.