ASSESSMENT OF SOME HEAVY METALS CONCENTRATIONS IN SOIL AND GROUNDWATER AROUND REFUSE DUMPSITE IN IBADAN METROPOLIS, NIGERIA. NIJOTECH [Internet]. 2020 Jan. 4 [cited 2026 Apr. 23];39(1):301-5. Available from: https://www.nijotech.com/index.php/nijotech/article/view/2249