1. Adamu CI (2000) Environmental geochemical studies of Arufu Pb–Zn–Ag mining districts, Northeastern Nigeria. M.Sc. Thesis. University of Calabar, Nigeria
2. Adamu CI (2011) Geoenvironmental studies of barite mines in parts of Oban Massif and Mamfe embayment, Southeastern Nigeria. PhD Dissertation. University of Calabar, Nigeria
3. Adamu CI, Nyiatagher T (2005) Physico-chemical and bacteriological quality of surfacewater of River Benue, Nigeria. Glob J Geol Sci 3(1):45–48
4. Adamu CI, Nganje TN, Edet A (2009) Hydrochemistry of waters near some barite mining areas, Cross River State, Nigeria. DAAD Alumni expert seminar on “Mining and Water” October 5th–9th, Namibia
5. Adiuku-Brown ME, Ogezi AE (1991) Heavy metal pollution from mining practices: a case study of Zurak. J Mining Geol 27(2):205–211