Hemen T. J, Azubuike A. C. Effect of spent engine oil (SEO) contaminated soil on the phytobiomass and nutritional composition of groundnut (Arachis hypogaea). Dut. Jnl. Pure. Appl. Sci. [Internet]. 2025 Oct. 30 [cited 2026 Oct. 11];11(4a):265-72. Available from: https://www.ajol.info/index.php/dujopas/article/view/308988