2022. Synthesis and study of new Macrocyclic ligand type N2O2 and its complexes with (Co (II),Ni (II),Cu (II),Zn (II) and Cd (II)) ions. مجلة ديالى للبحوث الانسانية. 1, 32 (2022). DOI:https://doi.org/10.57592/djhr.v1i32.1487.