List of Articles Grey Number Open Access Article Abstract Page Full-Text 1 - A Primal Simplex Algorithm for Solving Linear Programming Problem with Grey Cost Coefficients S.H. Nasseri A. Yazdani D. Darvishi Salokolaei Open Access Article Abstract Page Full-Text 2 - A Comparative Analysis of Approaches to Multi-criteria Decision Gray Prioritize Suppliers (Case Study: Isfahan Mobarakeh Steel Company) Ahmad Reza Ghasemi Hashem Mozzez Fatemeh Abedi Jebeli Open Access Article Abstract Page Full-Text 3 - Using Linear Goal Programming Approach in Quality Function Deployment Method in Grey Conditions (Case Study: Checking Quality of Olive Oil) Behzad Babakhani Emad Roghanian Shima Azarnia Open Access Article Abstract Page Full-Text 4 - A Hybrid Model for Assessing Student Mathematical Skills Michael Voskoglou 10.30495/tfss.2022.1971496.1052 Open Access Article Abstract Page Full-Text 5 - Application of Grey Numbers and Neutrosophic Sets to Assessment Processes Michael Voskoglou 10.30495/fomj.2023.1992552.1104 Open Access Article Abstract Page Full-Text 6 - Application of Three Parameter Interval Grey Numbers in Enterprise Resource Planning Selection Mohammad Kamfiroozi Alireza Aliahmadi Meisam Jafari Eskandari Open Access Article Abstract Page Full-Text 7 - Supplier Selection in Grey Environment: A Grey, AHP, Bulls-Eye and ELECTRE Approach Mohammad Hassan Kamfiroozi Ali Bonyadi Naeini Open Access Article Abstract Page Full-Text 8 - A “Journey” from Traditional to Fuzzy Methods of Decision-Making Michael Gr. Voskoglou 10.30495/TFSS.2024.1106981 Open Access Article Abstract Page Full-Text 9 - Evaluation of decision-making units with interval grey data in DEA Jafar Pourmahmoud Mahdi Eini Davood Darvishi Saeid Mehrabian