Igbinigie N, Akenzua-Adamczyk A. Palynological studies of Maastrichtian to paleocene sediments exposed at Okpekpe, western flank of Anambra Basin, Edo State, Nigeria. jasem [Internet]. 2018 Nov. 29 [cited 2026 Nov. 10];22(10):1563-6. Available from: https://www.ajol.info/index.php/jasem/article/view/180189