K. DAWOOD, S.; A. AL-SABAAWI, S. Investigation of New Tetra Dentate Macrocyclic [N4] Ligand and it’s Complexes with Transition Metal’s. Journal of Education and Science (JES), [S. l.], v. 24, n. 2, p. 22–27, 1999. DOI: 10.33899/edusj.1999.58727. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24460. Acesso em: 6 aug. 2025.