Mosa, Noor M, and Wasan Khalid. “Generalized-Hollow 〖lifting〗_gmodules”. Iraqi Journal of Science 59, no. 2B (May 28, 2018): 917–921. Accessed December 9, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/317.