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This is to certify that your paper entitled «The effect of geometric properties on the compressive strength of short circular CFDST columns» was indexed with 11 pages, in the CIVILICA citation database, code COI:ICRSIE06_404, after evaluation and approval of the referees of the "6th.International Conference on Researches in Science & Engineering & 3rd.International Congress on Civil, Architecture and Urbanism in Asia 2022.

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.