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This is to certify that your paper entitled «An Improved Fuzzy Controlled Back-to-Back Electric Spring Using Hybrid Structure of ES-۱ and Shunt-APF to Improve Power Quality in Microgrids» was indexed with 10 pages, in the CIVILICA citation database, code COI:JR_IECO-5-1_009, after evaluation and approval of the referees of the "International Journal of Industrial Electronics, Control and Optimization Vol 5, 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.