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This is to certify that your paper entitled «Reducing the Production of Carbon Dioxide Gas by Constructing Decentralized Solar Power Plants in Different Cities in Iran» was indexed with 12 pages, in the CIVILICA citation database, code COI:EEMCONF05_096, after evaluation and approval of the referees of the "The 5th National Conference on Environmental Engineering and Management held in Qaem Shahr 2023.

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.