Lubna Abdullah Khayoon Lazim, and Salah Mahdi Salah. “Symmetric Higher Bi-Left (Right)Centerlizerhomo of Γ Ring”. International Journal of Scientific Research in Science, Engineering and Technology, vol. 12, no. 4, Aug. 2025, pp. 558-63, https://doi.org/10.32628/IJSRSET2512539.