Click, R. L., & Dueing, T. N. (2005). Business process outsourcing: The competitive advantage. John wiley & sons.
Παραπομπή Chicago StyleClick, Riek L., και Thomas N. Dueing. Business Process Outsourcing: The Competitive Advantage. New Jersey: John wiley & sons, 2005.
Παραπομπή MLAClick, Riek L., και Thomas N. Dueing. Business Process Outsourcing: The Competitive Advantage. John wiley & sons, 2005.
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