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This is to certify that your paper entitled «Estimation of groundwater recharge by rainfall and irrigation using inverse method (Case study: Tavabe-e Arsanjan, Fars province, Iran)» was indexed with 12 pages, in the CIVILICA citation database, code COI:IHC06_128, after evaluation and approval of the referees of the "06th Iranian Hydraulic Conference held in Shahrekord 2007.

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.