Gentle,Michael. (2002). The CRM project management handbook: Building realistic expectations and managing risk. Kongan Page.
Chicago Stili AlıntıGentle,Michael. The CRM Project Management Handbook: Building Realistic Expectations and Managing Risk. London: Kongan Page, 2002.
MLA AlıntıGentle,Michael. The CRM Project Management Handbook: Building Realistic Expectations and Managing Risk. Kongan Page, 2002.
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