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This is to certify that your paper entitled «Investigation of Structural Factors on Unconventional Earnings Returns in Tehran Stock Exchange» was indexed with 10 pages, in the CIVILICA citation database, code COI:ICOCS03_007, after evaluation and approval of the referees of the "The International Conference on Interdisciplinary Studies in Management and Engineering held in Tehran 2020.

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.