Polycyclic Aromatic Hydrocarbon (PAHs) Levels in Treated Spent Engine Oil Contaminated Soil from Automechanic Workshop Site in Wukari, Nigeria. LJSIR [Internet]. 23 avr. 2024 [cité 17 mai 2026];2(1):70-7. Disponible sur: https://lafiascijournals.org.ng/index.php/ljsir/article/view/308