Dr.Faraj.A.Abdunabi, Ahmed Shletiet. Genereliaed Upper and Lower Approixmations for Anti-Topology and their Structral Properties . jibas [Internet]. 2026 Feb. 23 [cited 2026 Oct. 27];2(1):234-7. Available from: https://jibas.com.ly/index.php/jibas/article/view/65