AL-NAMA AL-NAMA, K.; AL NIDAA AL NIDAA, E. Preparation and Characterization of Co(II), Ni(II),Cu(II) and Zn(II) Complexes with Unsymmetrical Tetradentate Schiff Bases Ligands. Journal of Education and Science (JES), [S. l.], v. 28, n. 2, p. 233–248, 2019. DOI: 10.33899/edusj.2019.161212. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23633. Acesso em: 6 aug. 2025.