H. Al-Zaidi, Basim, et al. “Preparation and Characterization of Some Chelate Complexe With New Bi-Dentate (N,O)bis-Schiff Base Ligand”. Journal of Kufa for Chemical Sciences, vol. 2, no. 1, May 2016, https://journal.uokufa.edu.iq/index.php/jkcs/article/view/3392.