Adamu, Dahiru J. M., and Dashu Enock. 2017. “Assessment of Some Heavy Metals in Leafy Vegetables Grown in the Vicinity of Dump Site Along River Benue, Mubi Road, Yola, Nigeria”. The International Journal of Science & Technoledge 5 (8). http://internationaljournalcorner.com/index.php/theijst/article/view/123606.