FUFA SHIFERRA , D.; BIYANA REGASA, M. Selected toxic heavy metals in spring and river waters and their health implications: The case of Nonno Benja District, Ethiopia. Science, Technology and Arts Research Journal, [S. l.], v. 15, n. 3, p. 42–55, 2026. DOI: 10.20372/star.V15.i3.04. Disponível em: https://journals.wgu.edu.et/index.php/star/article/view/2169. Acesso em: 3 oct. 2026.