“ASSESSMENT OF SOME HEAVY METALS CONCENTRATIONS IN SOIL AND GROUNDWATER AROUND REFUSE DUMPSITE IN IBADAN METROPOLIS, NIGERIA”, NIJOTECH, vol. 39, no. 1, pp. 301–305, Jan. 2020, Accessed: Apr. 16, 2026. [Online]. Available: https://nijotech.com/index.php/nijotech/article/view/2249