Udo, G.J. et al. 2023. Concentrations of Monocyclic Aromatics Hydrocarbons: Benzene, toluene, ethylbenzene, and xylene (BETX) in gasoline samples distributed in Uyo, Niger Delta, Nigeria. Researchers Journal of Science and Technology. 3, 4 (Dec. 2023), 46–60. DOI:https://doi.org/10.83080/rejost.vol3no4.79.