Xue, Dong-Fei, Shi-Jie Zhao, and De-Peng Zhang. “Comparison of CRM Programs Basing on Improving Customer Profitability: Using the AHP Method”. International Review of Management and Marketing 4, no. 2 (March 18, 2014): 167–174. Accessed November 15, 2024. https://econjournals.com./index.php/irmm/article/view/770.