Otele, A., E. E. Okon, and N. U. Essien. “The Mamfe Formation, South Eastern Nigeria, Its Paleoenvironments and Paleoclimatic Settings: Evidence from Petrography and Grain Size Distributions”. Modern Advances in Geography, Environment and Earth Sciences Vol. 4 (May 10, 2021): 14–28. Accessed June 13, 2026. https://stm.bookpi.org/MAGEES-4/article/view/1047.