Iyi Emmanuel Chibuike, Okoro Joel Ejiofor, and Anachuna, Nonyelum Geraldine. “GEOCHEMICAL ASSESSMENT OF HEAVY METALS IN SURFACE SOIL FROM AUTO-WORKSHOPS IN ONITSHA, SOUTHEASTERN NIGERIA”. International Journal of Earth & Environmental Sciences (IJEES) 7, no. 1 (July 10, 2022): 68–92. Accessed April 20, 2026. https://ijees.ielas.org/index.php/ijees/article/view/86.