OKOH, Emmanuel Chidera; UGWU, Chioma Victoria; OKENWA, Emmanuel Chukwuebuka. EFFECT OF SPENT ENGINE OIL ON SOIL MICRO FLORA . Advanced Journal of Environmental Sciences (AJES), [S. l.], v. 16, n. 6, p. 1–10, 2025. DOI: 10.5281/zenodo.15600048. Disponível em: https://zapjournals.com/Journals/index.php/ajes/article/view/2260. Acesso em: 27 jun. 2025.