Abdulridha, Lamyaa A, Taghreed M Hameed, Muna M. Khudhair, and Saleema K. Ghadeer. “Impact of Nano-Gel of Titanium Dioxide Additive on Base Oil Properties Produced in Iraqi Refineries”. Iraqi Journal of Science (April 18, 2019): 75–83. Accessed December 5, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/687.