Wagner, W. P. (2007). Customer reltionship management: A pepople process, and technology approach. Course Technology.
シカゴスタイル引用形Wagner, William P. Customer Reltionship Management: A Pepople Process, and Technology Approach. Course Technology, 2007.
MLA引用形式Wagner, William P. Customer Reltionship Management: A Pepople Process, and Technology Approach. Course Technology, 2007.
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