Environmental effects of pollution with heavy metals and bacterial pollutants in the rivers of the Amara district. Czech Journal of Multidisciplinary Innovations, [S. l.], v. 21, p. 38–51, 2023. Disponível em: https://www.peerianjournal.com/index.php/czjmi/article/view/635. Acesso em: 3 feb. 2026.