Alsaadi, D., Ostrikov, V. and Khalaf, W. 2022. IMPROVEMENT OF TRIBOLOGICAL PROPERTIES FOR LUBRICANTS BY ADDING GRAPHENE CONCENTRATE. Al-Salam Journal for Engineering and Technology. 1, 1 (Jan. 2022), 20–25. DOI:https://doi.org/10.55145/ajest.2022.01.01.003.