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This is to certify that your paper entitled «Study of Delay Factors in Construction Projects(Case Study FHW۰۴)» was indexed with 14 pages, in the CIVILICA citation database, code COI:ICRSIE06_078, 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.