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This is to certify that your paper entitled «Optimizing order picking through operations and warehouse management in a distribution center (Case study: Ecuadorian Hardware and construction material distribution center)» was indexed with 27 pages, in the CIVILICA citation database, code COI:JR_RIEJ-14-3_007, after evaluation and approval of the referees of the "International Journal of Research in Industrial Engineering Vol 14, Issue 3 , 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.