Pythagorean Fuzzy Based AHP-VIKOR Integration to Assess Rail Transportation Systems in Turkey. - Emre Demir; Muhammet Fatih Ak; Kaan Sari (Int. J. Fuzzy Syst., 2023)

A novel qualitative risk assessment using the interval-valued spherical fuzzy extension of TOPSIS method: a case study in rail transit systems. - Muhammet Fatih Ak; Emre Demir (Neural Comput. Appl., 2024)

Correction: A novel qualitative risk assessment using the interval-valued spherical fuzzy extension of TOPSIS method: a case study in rail transit systems. - Muhammet Fatih Ak; Emre Demir (Neural Comput. Appl., 2024)