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This is to certify that your paper entitled «ZQC Technique through Poka-Yoke Mechanism Under Data Mining in Steel Industries (Direct Reduction Iron- Production of Sponge Iron) Case Study (Gol Gohar Iron and Steel Development)» was indexed with 15 pages, in the CIVILICA citation database, code COI:EINB09_057, after evaluation and approval of the referees of the "Ninth International Conference on Entrepreneurship and Industrial Engineering held in Tehran 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 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.