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This is to certify that your paper entitled «Developing a Business Value Model in Omnichannel Marketing with Customer Relationship Approach» was indexed with 19 pages, in the CIVILICA citation database, code COI:JR_IJKPS-4-3_005, after evaluation and approval of the referees of the "The International Journal of Knowledge Processing Studies Vol 4, Issue 3 , Year 2024.

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