Retraction note: Exploring the value of installed base: Pricing information goods under value depreciation and consumer social learning
Yifan Dou , Tianliang Liu
Journal of Systems Science and Systems Engineering ›› 2013, Vol. 22 ›› Issue (4) : 505 -505.
Retraction note: Exploring the value of installed base: Pricing information goods under value depreciation and consumer social learning
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