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This is to certify that your paper entitled «Estimation of filling rates of shallow mining pit lakes using finite element model» was indexed with 6 pages, in the CIVILICA citation database, code COI:ICWR01_195, after evaluation and approval of the referees of the "International Conference on Water Resources: Emphasis on Regional Development held in Shahrud 2009.

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.