R. M. Shubbar, 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, pp. 7–15, Mar. 2019, doi: 10.23851/mjs.v29i3.616.