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This is to certify that your paper entitled «Investigation of the Efficiency of Phosphorus Removal Using Anionic Resins From the Continuous Flow in the Waste Stabilization Pond Outlet: A Case Study of Kaboodrahang Wastewater Treatment Plant» was indexed with 8 pages, in the CIVILICA citation database, code COI:JR_AJEHE-6-1_003, after evaluation and approval of the referees of the "Avicenna Journal of Environmental Health Engineering Vol 6, Issue 1 , Year 2022.

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 journal 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.