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This is to certify that your paper entitled «A Density-Based Fuzzy Clustering Algorithm Using Multi-Representatives Points Per Cluster Based on a New Distance Measure Using KNN Algorithm» was indexed with 12 pages, in the CIVILICA citation database, code COI:JR_IJE-38-12_005, after evaluation and approval of the referees of the "International Journal of Engineering (IJE) Vol 38, Issue 12 , Year 2025.

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.