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This is to certify that your paper entitled «Prediction of Spinodal Instability Island of Poly(vinyl chloride)-Poly(vinyl acetate)-Dioctyl phthalate Ternary System, Based on Compressible Regular Solution (CRS) Model» was indexed with 9 pages, in the CIVILICA citation database, code COI:ICHEC07_085, after evaluation and approval of the referees of the "07th International Congress on Chemical Engineering held in Kish Island 2011.

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.