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This is to certify that your paper entitled «The study of qualitative and quantitative parameters of wastewater and the management to cope with it in the region Karanj Parsi» was indexed with 8 pages, in the CIVILICA citation database, code COI:ICECS01_067, after evaluation and approval of the referees of the "International Congress on Environmental Crises and its Solutions held in Kish Island 2013.

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.