List of Articles Amirsadra Sadat Article 1 - Customer Clustering via Combined TOPSIS-Fuzzy -K-MEANS Method to Design an Efficient Customer Relationship System: A Real-life Case Study in the Copper Industry https://doi.org/10.71808/fomj.2024.1002655 Hossein Mohammadi Dolat-Abadi Amirsadra Sadat Fuzzy Optimization and Modeling Journal , Issue 1 , Year , Winter 2024