MEHARI, Beraki B.; MAYABI, Alfred O.; HADGU, Letensie T. Preliminary Assessment of Low Cost Local Sorbent Materials for Water Defluoridation in Keren, Eritrea. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 18, n. 1, p. 45–58, 2014. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/2581. Acesso em: 1 apr. 2026.