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This is to certify that your paper entitled «A survey and assessment of the quality of buildings in the middle textures of Mazandaran province cities (Case study: Middle texture of Amol city)» was indexed with 45 pages, in the CIVILICA citation database, code COI:ACCMCONF01_142, after evaluation and approval of the referees of the "The National Conference on Research and Development in Civil Engineering, Architecture and Modern Urbanism held in Tehran 2017.

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.