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This is to certify that your paper entitled «Simultaneous prediction of net heating value and water content of crude oil by its properties based on using artificial neural networks» was indexed with 5 pages, in the CIVILICA citation database, code COI:KBDC01_093, after evaluation and approval of the referees of the "National Conference on Knowledge Based Development of Oil, Gaz and Petrochemical Industries held in Mahshahr 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.