Items where Author is "Abdullahi, John"

Abdullahi, John and Nyanganji, J.K. and Mijinyawa, M. U. (2015) Analysis of Thickness and Layering of Overburden Materials of Volcanic Craters on the Biu Plateau, Borno State, Nigeria. Journal of Geography and Geology, 7 (2). pp. 85-96. ISSN 1916-9779