Shettima, B., M. Bukar, B. Shettima, B. Shettima, H. I. kamale, I. A. Yerima, and A. O. Umaru. “Regressive Shoreface Depositional System of the Cretaceous Yolde Formation of the Gongola Sub-Basin Northern Benue Trough N. E. Nigeria”. Journal of Geography, Environment and Earth Science International, Vol. 24, no. 5, July 2020, pp. 1-10, doi:10.9734/jgeesi/2020/v24i530222.