M. C. Ifediegwu, B. O. Uba, V. G. Awari, A. G. Chukwujekwu, and I. P. Akaun, “Post-Reclamation Evaluation of Residual Hydrocarbons in Crude Oil Contaminated Soil Using Gas Chromatographic Techniques and Plant Growth Indices”, J Pol Monit Eval Stud Contr, vol. 2, no. 1, pp. 15–29, Oct. 2023.