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This is to certify that your paper entitled «Investigating the effects of factors affecting customer distrust and the formation of negativebehaviors of e-customers (Case study of Badran Company)» was indexed with 17 pages, in the CIVILICA citation database, code COI:COMPUTER07_039, after evaluation and approval of the referees of the "15th International Conference on Science and Technology Advances held in Mashhad 2022.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.