Hadi, Inaam M. A., and Alaa A. Elewi. “Semi-T-Maximal Sumodules”. Iraqi Journal of Science 60, no. 12 (December 29, 2019): 2725–2731. Accessed September 29, 2022. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1311.