Effective Customer Relationship Management through -CRM

Systems (IS) and CRM, and presents the reasons why SMEs do not implement CRM systems. In Section 3 we list the advantages of open source software. In Section 4 we present CRM open source systems, with an overview of its features and Section 5 describes related works. Finally, in Section 6 we present our conclusions and point out future work. 2. ................
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