HEMEN T. J; AZUBUIKE A. C. Effect of spent engine oil (SEO) contaminated soil on the phytobiomass and nutritional composition of groundnut (Arachis hypogaea). Dutse Journal of Pure and Applied Sciences, [S. l.], v. 11, n. 4a, p. 265–272, 2025. DOI: 10.4314/dujopas.v11i4a. Disponível em: https://www.ajol.info/index.php/dujopas/article/view/308988. Acesso em: 7 oct. 2026.