Obaje SO, Ogunyele AC, Adeola AO, Akingboye AS. Assessment of stream sediments pollution by potentially toxic elements in the active mining area of Okpella, Edo State, Nigeria. Rud.-geol.-naft. zb. [Internet]. 2019Jan.14 [cited 2024Nov.22];34(2). Available from: https://hrcak.srce.hr/ojs/index.php/rgn/article/view/7568