A.R. Mohammed, Muhannad. “Effect of Additives on the Properties of Different Types of Greases”. Iraqi Journal of Chemical and Petroleum Engineering 14, no. 3 (September 30, 2013): 11–21. Accessed November 23, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/315.