Kehinde Oluyede and Urs Klötzli (2021) “Provenance and Geological Setting of Syn-collisional Pan-African Granite in the Northern Part Birnin Gwari Schist Belt in NW Nigeria”, Challenging Issues on Environment and Earth Science Vol. 7, pp. 99–124. doi: 10.9734/bpi/ciees/v7/3208F.