M. Rijab, Jasim, Anwar M. Al-Faydhi, and Asem A. Azoz. 2006. “Calculation of Thermal Diffusion FactorOf Multi Mixture Organic Liquid by Thermal Diffusion Column”. Rafidain Journal of Science 17 (2):82-94. https://doi.org/10.33899/rjs.2006.43335.