“Synthesis and Spectroscopic Characterization of New N4O4 Ligand and Its Transition Metal Ion Complexes With Ni(II), Zn(II) and Cd(II)”. Al-Nahrain Journal of Science 17, no. 4 (June 24, 2018): 27–32. Accessed April 29, 2024. https://anjs.edu.iq/index.php/anjs/article/view/373.