Synthesis, spectral characterization and biological studies of the ligand type N2O4 Schiff- bases and their (Fe (II), Zn (II), Cd (II) and Hg (II)) complexes. Journal of the College of Basic Education, [S. l.], v. 19, n. 77, p. 51–60, 2022. DOI: 10.35950/cbej.v19i77.8076. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8076.. Acesso em: 29 apr. 2025.