Nlunan, A.. T., Alkazweeni, M.T., AND Yousi, E. I.. " Synthesis and Character ation of Novel (Co (II), Ni{11>, .cuM, Zn en>, and Cd(ll)) Binuclear Complexes of N, N- his [(2, 4, 6-trihydroxy metbyl)] Benzidine" Ibn AL- Haitham Journal For Pure and Applied Science [Online], Volume 21 Number 3 (23 September 2017)