“Petrological and Geochemical Characteristics of Pyroclastics Outcropping in Abakaliki Area Lower Benue Trough, Nigeria” (2013) Global Journal of Science Frontier Research, 13(H3), pp. 15–22. Available at: https://www.journalofscience.org/index.php/GJSFR/article/view/1008 (Accessed: 14 August 2026).