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This is to certify that your paper entitled «Developing Architectural Concept through Internal Logic of Form: A Case of Cardboard Houses» was indexed with 14 pages, in the CIVILICA citation database, code COI:CEUCONF07_153, after evaluation and approval of the referees of the "The 7th National Conference on Applied Research in Civil Engineering, Architecture and Urban Management and the 6th Specialized Exhibition of Mass Builders in Tehran Province held in Tehran 2020.

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.