Otoide, Jonathan Eromosele, and Patrick Olugbenga Tedela. 2017. “Vehicular Traffic Air Pollution As Expressed by Leaves of Senna Occidentalis (L.) Link from Three Busy Roads in Nigeria”. Biological Sciences - PJSIR 60 (3):162-67. https://doi.org/10.52763/PJSIR.BIOL.SCI.60.3.2017.162.167.