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This is to certify that your paper entitled «The Necessity of Using an Integrated Management Information System (MIS) in a Portfolio of Oil-Refineries Mega Projects» was indexed with 27 pages, in the CIVILICA citation database, code COI:IOGPC17_264, after evaluation and approval of the referees of the "14th International Oil, Gas and Petrochemical Congress held in Tehran 2010.

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.