Raji, W., L. Jimoda, . J. Odobor, and A. Popoola. “Assessment of Vehicular-Induced Emissions in Some Selected Areas in Benin City, Edo State, Nigeria”. Journal of Applied Sciences and Environmental Management, vol. 25, no. 8, Nov. 2021, pp. 1535-9, doi:10.4314/jasem.v25i8.38.