ASSESSMENT OF PHYSICOCHEMICAL PARAMETERS AND METAL CONTAMINATION IN SEDIMENTS OF THE PERI-URBAN AMAGBA-OKOROMA RIVER, BENIN CITY, NIGERIA. ojas [Internet]. 2024May31 [cited 2025Apr.29];5(1):10-24. Available from: https://www.openjournalsnigeria.org.ng/journals/index.php/ojas/article/view/637