Ozioko Obinna Hyginus, Onwuka Solomon Obialo, and Ezugwu Chimamkpan Keneth. 2020. “Micropaleontological Analysis of Rocks of Mbakwah and Environs, Gboko, Southeast Nigeria”. Global Journal of Science Frontier Research 20 (H4):53-66. https://journalofscience.org/index.php/GJSFR/article/view/2798.