List of Articles Fuzzy optimization Open Access Article Abstract Page Full-Text 1 - Provide a robust planning model Possibility to select a stock portfolio based on Sharp ratio Maghsoud Amiri Mohammad Saeed Heidary Open Access Article Abstract Page Full-Text 2 - Intuitionistic Hesitant Fuzzy Algorithm for Multi-Objective Structural Model Using Various Membership Functions Sanjoy Biswas Samir Dey 10.30495/tfss.2023.1976999.1062 Open Access Article Abstract Page Full-Text 3 - The Application of Data Envelopment Analysis in Fuzzy Queuing Models Najmeh Malekmohammadi Open Access Article Abstract Page Full-Text 4 - A New Weighted Goal Programming Technique to Solve Fully Triangular Intuitionistic Fuzzy Multi-Objective Fixed Charge Solid Transportation Problem Awdhesh Bind Deepika Rani Kapil Goyal 10.30495/fomj.2023.1991385.1103 Open Access Article Abstract Page Full-Text 5 - Designing a model of product arrangement and multi-warehouse location-routing problem saeed sadeghi mohammad fallah esmaeil najafi 10.30495/jiei.2023.1969398.1256 Open Access Article Abstract Page Full-Text 6 - A new Stochastic Hybrid Technique for DER Problem Mohsen Mohammadi Nasser yousefi