Ekundayo, . T. O., and . P. O. Fatoba. “Quantifying Vehicular Heavy Metal Deposits on Roadside Soil and Vegetation Along Akure-Ilesa Express Road, South-Western Nigeria”. GSC Biological and Pharmaceutical Sciences, vol. 12, no. 1, July 2020, pp. 054-61, doi:10.30574/gscbps.2020.12.1.0186.