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"Efficiency, effectiveness and productivity of marketing in services."
Hean Tat Keh, Singfat Chu, Jiye Xu (2006)
- Hean Tat Keh, Singfat Chu, Jiye Xu:
Efficiency, effectiveness and productivity of marketing in services. Eur. J. Oper. Res. 170(1): 265-276 (2006)
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