List of Articles K-means Method Open Access Article Abstract Page Full-Text 1 - Customer Clustering by a Novel Combined TOPSIS-Fuzzy and K-Means Approach To Design an Efficient Customer Relationship System: A Real-life Case Study in the Copper Industry Hossein Mohammadi Dolat-Abadi Amirsadra Sadat Open Access Article Abstract Page Full-Text 2 - Designing a Model Providing Services to Key Customers Based on RFM Model Using K-Means Clustering Method Ali Sorayaie Amir Yousefizad