Haghgooie, Hossein, and Maryam Saket Oskoui. 2010. “Synthesis and Characterization of Some New Schiff Base Ligands and Their Complexes With Cobalt(II), Nickel(II) and Copper(II)”. Asian Journal of Chemistry 20 (8):6081-89. https://asianpubs.org/index.php/ajchem/article/view/13061.