Leqaa Mohammed Saeed Hussein, Taha Hameed Jasim Al-Douri. Bi- Supra Hereditary and Bi – Supra Topological Properties for some Supra – Separation Axioms. Tikrit J. Pure Sci. [انترنت]. 17 مارس، 2020 [وثق 19 مايو، 2024];25(3):124-8. موجود في: https://tjps.tu.edu.iq/index.php/tjps/article/view/260