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This is to certify that your paper entitled «Esterification reaction of ۱-naphthyl acetic acid with variousalcohols in the presence of nanoalumina sulfonic acid» was indexed with 5 pages, in the CIVILICA citation database, code COI:COSPC01_034, after evaluation and approval of the referees of the "Conference on the Organic Synthesis and Pharmaceutical Chemistry held in Ahvaz 2014.

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.