PHYSICO-CHEMICAL CHARACTERIZATION OF GROUNDWATER OF KALTUNGO, GOMBE STATE, NIGERIA AND TREATMENT FOR FLOURIDE REMOVAL. Nigerian Journal of Technology, [S. l.], v. 36, n. 2, p. 655–662, 2017. DOI: 10.4314/njt.362.1321. Disponível em: https://nijotech.com/index.php/nijotech/article/view/1321. Acesso em: 16 apr. 2026.