Timothy, M. N., A. C. Marcus, and William Azuka Iyama. “Assessment of Trace Metal Content in Soils of Automobile Workshops Around Bori Urban Area, Rivers State, Nigeria”. European Journal of Applied Sciences 10, no. 3 (May 27, 2022): 209–221. Accessed May 30, 2026. https://scholarpublishing.org/journals/index.php/EJAS/article/view/8332.