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This is to certify that your paper entitled «The effects of curing methods on the properties of cementconcrete mixes in the presence of optimum coarse aggregatesize under the humid climate conditions of Babol» was indexed with 5 pages, in the CIVILICA citation database, code COI:CESC15_266, after evaluation and approval of the referees of the "15th Civil Students Conference Nationwide held in Urmia 2014.

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.