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This is to certify that your paper entitled «Computational Fluid Dynamics (CFD) Simulation of Mesh Jet Devices for Promising Energy-Saving Technologies» was indexed with 19 pages, in the CIVILICA citation database, code COI:JR_CEJ-8-12_006, after evaluation and approval of the referees of the "Civil Engineering Journal Vol 8, Issue 12 , Year 2024.

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.