فهرس المقالات Allan Onyango المقاله 1 - Characterization of Topological Fuzzy Sets in Hausdorff Spaces 10.30495/tfss.2022.1955757.1020 Benard Okelo Allan Onyango Transactions on Fuzzy Sets and Systems , العدد 2 , السنة 1 , پاییز-زمستان 2022