Alexander, Priscilla. “Assessment of Heavy Metals in Roadside Surface Soil and Vegetation Along Mubi – Michika Major Road in Adamawa State, Nigeria”. International Journal of Applied Sciences and Biotechnology 3, no. 3 (September 25, 2015): 545–551. Accessed April 25, 2024. https://nepjol.info/index.php/IJASBT/article/view/12934.