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This is to certify that your paper entitled «Adaptive crow search algorithm and its application in solving constrained optimization problems» was indexed with 10 pages, in the CIVILICA citation database, code COI:CSCG03_144, after evaluation and approval of the referees of the "3rd International Conference on Soft Computing held in Rudsar 2019.

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.