Y. Yousif, Thana, and ثناء. 2013. “Preparation and Characterization of Some Metal Ions Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) Complexes With New Schiff Bases and Evaluation of Their Biological Activities”. Journal of Education and Science (JES) 26 (4):1-12. https://doi.org/10.33899/edusj.2013.89982.