“Metal Complexes of Bis (2,6-Diamine Pyridine 2,5-Hexanedione) Macrocyclic Schiff-Base Ligand: Preparation, Characterization and Thermal Study”. Iraqi Journal of Science, vol. 63, no. 5, May 2022, pp. 1885-93, https://doi.org/10.24996/ijs.2022.63.5.3.