1.
Akpomrere OR, Uguru H. Copper Concentration and Distribution in the Ground Water of Delta State Polytechnic, Ozoro, Nigeria. AJGR [Internet]. 16Jul.2020 [cited 3Aug.2020];3(3):1-8. Available from: https://journalajgr.com/index.php/AJGR/article/view/30106