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This is to certify that your paper entitled «Efficient synthesis of magnetically separable CoFe2O4@SiO2 nanoparticles and its potent catalytic applications for the synthesis of 5-aryl-1,2,4-triazolidine-3-thione derivatives» was indexed with 13 pages, in the CIVILICA citation database, code COI:JR_JWENT-4-3_001, after evaluation and approval of the referees of the "Journal of Water and Environmental Nanotechnology Vol 4, Issue 3 , Year 2019.

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.