Essien , Benjamin Christopher, and Olugbenga Ebenezer Ige. “Recent Pollen Rain Analysis in Akoko Environment As Indicator of the Vegetation of Ondo State, Nigeria”. GSC Biological and Pharmaceutical Sciences 12, no. 1 (July 30, 2020): 116–137. Accessed November 4, 2024. https://gsconlinepress.com/journals/index.php/gscbps/article/view/gscbps-2020-0149.