Tiama, A. A., and M. U. Kadhum. “Preparation of Catalyst and Its Application in Thermal and Photo Vapor Phase Oxidation Compounds”. Al-Qadisiyah Journal of Pure Science, Vol. 19, no. 4, Aug. 2017, pp. 152-63, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/310.