Fahad, M.R. and Abdulmajeed, B.A. 2022. Surface Modification of TiO?-Al?O? Nanoparticles for the Enhancement of the Rheological Properties of Base Lubricating Oil. Journal of Applied Research and Technology. 20, 1 (Mar. 2022), 37–47. DOI:https://doi.org/10.22201/icat.24486736e.2022.20.1.1556.