Hasan, H.A. 2017. Fluorescence, Biological Activity and Spectroscopic Studies of Azo-linked Schiff Base Ligand Type (ONO) and Its Complexes with CrIII, CoII NiII and CdII Ions. Ibn AL-Haitham Journal For Pure and Applied Sciences. 30, 3 (Dec. 2017), 114–129. DOI:https://doi.org/10.30526/30.3.1607.