Osayi, E. E.; Obaregwu, C. N.; Amujiri, A. N.; Nweze, A. E.; Osayi, N. H.; Ugwu, B. C. Evaluation of the Phytoremediation Potential of Gmelina Arborea Roxb. Seedlings on Spent Engine Oil-Stressed Soil. The Bioscientist 2026, 14, 57-74.