Kanokngamwitroj K, Srisaan C. Observation-Based Hybrid Classification Algorithms for Customer Segmentation. ECTI-CIT Transactions [internet]. 2024 Jun. 8 [cited 2026 Oct. 7];18(3):295-306. available from: https://ph01.tci-thaijo.org/index.php/ecticit/article/view/256082