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This is to certify that your paper entitled «Study of the optical properties of doped BWO nanoparticles under ionizing radiation» was indexed with 16 pages, in the CIVILICA citation database, code COI:IMES18_033, after evaluation and approval of the referees of the "The 13th International Conference on Materials Engineering and Metallurgy held in Karaj 2024.

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.