Hong Dien, Le, Nguyen Phuc Son, Pham Hoang Uyen, and Le Van Hinh. “On a Segmentation of Coopextra Customers in Thu Duc District”. VNUHCM Journal of Economics - Law and Management 3, no. 1 (May 20, 2019): 28-36. Accessed July 19, 2025. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/537.