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This is to certify that your paper entitled «Concurrent Assessment of Linear and Nonlinear Behavior of Sub-Base and Base Layers on Flexible Pavements with Mechanistic-Empirical Method» was indexed with 14 pages, in the CIVILICA citation database, code COI:CAUEM02_014, after evaluation and approval of the referees of the "دومین کنفرانس بین المللی تحقیقات در عمران،معماری و شهرسازی و محیط زیست پایدار 2016.

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.