Ayinla, H.A. and Abdullah, W.H. and Makeen, Y.M. and Abubakar, M.B. and Jauro, A. and Sarki Yandoka, B.M. and Zainal Abidin, N.S. (2017) Petrographic and geochemical characterization of the Upper Cretaceous coal and mudstones of Gombe Formation, Gongola sub-basin, northern Benue trough Nigeria: Implication for organic matter preservation, paleodepositional environment and tectonic settings. International Journal of Coal Geology, 180. pp. 67-82. ISSN 01665162

Ayinla, H.A. and Abdullah, W.H. and Makeen, Y.M. and Abubakar, M.B. and Jauro, A. and Sarki Yandoka, B.M. and Mustapha, K.A. and Zainal Abidin, N.S. (2017) Source rock characteristics, depositional setting and hydrocarbon generation potential of Cretaceous coals and organic rich mudstones from Gombe Formation, Gongola Sub-basin, Northern Benue Trough, NE Nigeria. International Journal of Coal Geology, 173. pp. 212-226. ISSN 01665162