List of Articles Spectrum Open Access Article Abstract Page Full-Text 1 - On The Spectrum of Countable MV-algebras Giacomo Lenzi 10.30495/tfss.2023.1991906.1082 Open Access Article Abstract Page Full-Text 2 - Energy and Laplacian Energy of Graphs under the Bipolar Valued Hesitant Fuzzy Framework Sakshi Dev Pandey Abhay S. Ranadive Sovan Samanta Leo Mrsic Antonios Kalampakas https://doi.org/10.71602/tfss.2026.1196801