MOHAMMED, Abdul-Halim A-K; HASSAN, Riyadh H; HASSAN, Karim H. Catalytic Pour Point Reduction and Viscosity Improvement of Lubricating Oil Fractions using Sulfided Nickel-Tungsten Catalysts. Iraqi Journal of Chemical and Petroleum Engineering, Baghdad, Iraq., v. 4, n. 1, p. 41–46, 2003. DOI: 10.31699/IJCPE.2003.1.6. Disponível em: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/660.. Acesso em: 17 sep. 2024.