Shubbar, R. M., A. J. Suadi, and M. H. Al-Jiboori. “Study the Concentration of SO2 Emitted From Daura Refinery by Using Screen View Model”. Al-Mustansiriyah Journal of Science, vol. 29, no. 3, Mar. 2019, pp. 7-15, doi:10.23851/mjs.v29i3.616.