Dòng Nội dung
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Relationship selling / Mark W. Johnston, Greg W. Marshall
Boston... : McGraw-Hill/Irwin, 2008
xxvii, 446 p. : ill ; 28 cm


Đầu mục:7

3
Unselling : The new customer experience / Scott Stratten, Alison Kramer
Hoboken : Wiley, 2014
240p ; 24cm.


Đầu mục:2