F. Al-Jobory, Jinan. “Some Models of the Finite Hyperbolic Geometry and the Finite Hyperbolic Plane”. Al-Nahrain Journal of Science 25, no. 4 (December 31, 2022): 59–62. Accessed May 22, 2026. https://mail.anjs.edu.iq/index.php/anjs/article/view/2507.