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This is to certify that your paper entitled «Study of the forming process effects on the wrinkling and thinning percentage of the micro-channels with serpentine layout» was indexed with 15 pages, in the CIVILICA citation database, code COI:JR_IJHFC-10-1_006, after evaluation and approval of the referees of the "Iranian Journal of Hydrogen & Fuel Vol 10, Issue 1 , Year 2023.

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 journal 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.