NJOKUNWOGBU, A. N., A. OKOYEAGU, F. C. ENE, M. U. IYIOKU, and C. N. ENYI. “SEPARATION AND INFRARED (FT-IR) CHARACTERIZATION OF AROMATIC HYDROCARBONS FROM HIGH BOILING FRACTIONS (>200 OC) OF NIGERIA CRUDE OIL (USING TRICHLOROETHYLENE AS THE ELUANT)”. International Research Journal of Applied Sciences, Engineering and Technology, vol. 8, no. 8, Aug. 2022, pp. 1-9, https://cirdjournals.com/index.php/irjaset/article/view/797.