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—Can Behavioral WOM Measures Provide Insight into the Net Promoter<sup>©</sup> Concept of Customer Loyalty?
Morgan, Neil A., (2008)
The Single-Question Trap - The net promoter score has limits in predicting financial performance.
Pingitore, Gina, (2007)
Consumer-Based Brand Equity and Firm Risk
Rego, Lopo L., (2009)