“PALYNOSTRATIGRAPHIC STUDIES OF CRETACEOUS DEPOSITS OF ANAMBRA BASIN, EASTERN NIGERIA” (2004) Biological Sciences - PJSIR, 47(6), pp. 417–422. Available at: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1562 (Accessed: 10 March 2026).