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A Self-Selection Bias in Evaluating Impact of Acquisition Channels on Customer Retention Han, Sang-Pil; Ahn, Jae-Hyeon; Lee, Dong-Ju, Annual Frontiers in Service Conference, 2007-10 |
Factors determining the service performance in the telecommunications industry Ahn, Jae-Hyeon; Lee, Dong-Ju; Lee, Sang-Yoon, International Conference of DSI, 2003-07 |
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