Tudorache (Zamfir), Ionela Cătălina, and Radu Ioan Vija. “Data Mining and Customer Relationship Management for Clients Segmentation”. International Journal of Economic Practices and Theories 5, no. 5 (October 1, 2015): 571-578. Accessed April 26, 2025. http://ijept.eu/index.php/ijept/article/view/Data_Mining_and_Customer_Relationship_Management_for_Clients_S.