Altaee T, Rashid SA, Abdul Jabbar MF. Treatment of Used lubricant Oil by Solvent Extraction. IJCPE [Internet]. 2022 Mar. 30 [cited 2024 Nov. 22];23(1):43-50. Available from: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/864