Madhloom, Mohammed Hasan, and Emad Bakr Al-Zangana. “Analytical Study of Seven-Dimensional Projective Space”. Iraqi Journal of Science 66, no. 8 (August 30, 2025): 3386–3395. Accessed December 6, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/13197.