Kahdum, S. H.; Karaem, M. M.; Hussein, A. O.; Esmael, H. E.; Kahdum, K. J.; Atiyah, A. J. Photocatalytic Decolorization of Celestine Blue B from Industrial Wastewater Using Ni3O4-MgO Coupled Oxides . ajc 2018, 30, 1685-1688.