“Provenance and Tectonic Setting of Amasiri Sandstone (Turonian) in Ugep Area, Southern Benue Trough, Nigeria: Evidences from Petrography and Geochemistry”, GJSFR, vol. 13, no. 27, pp. 33–40, Jun. 2013, Accessed: Oct. 23, 2026. [Online]. Available: https://journalofscience.org/index.php/GJSFR/article/view/