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This is to certify that your paper entitled «Bi۲MoO۶(۵۰%)-Bi۲ SiO۵(۵۰%) Nanophotocatalyst Designed via Sono-Solvothermal Route: Photocatalytic Degradation of Rhodamine B under Simulated Sunlight» was indexed with 8 pages, in the CIVILICA citation database, code COI:OILCONFQ01_016, after evaluation and approval of the referees of the "National Conference on Advanced Technologies in Oil, Gas, Refining and Petrochemical Industries held in Tehran 2021.

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.