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This is to certify that your paper entitled «Advertising, Concentration and Profitability in the Iranian Food Industries with Dynamic Panel Data» was indexed with 7 pages, in the CIVILICA citation database, code COI:ICPEEE01_2093, after evaluation and approval of the referees of the "The First International Conference on Political Epic (with an Approach to Middle East Developments) & Economic Epic (with an Approach to Management and Accounting) held in Roudehen 2014.

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.