W. AL-Kattan, W, E. AL-Nidaa, and E, “Synthesis and characterization of Mn(II), Co(II), Ni(II) and Cu(II) complexes with Schiff bases derived from terephthalaldehyde and isophthalaldehyde”, EDUSJ, vol. 27, no. 1, pp. 16–26, Mar. 2014.