Khdair, N.S., Sattar S. Ibrahim and Ali K. A. Al-Naseeri (2025) “Synthesis, Characterization and Antioxidant study of some Bivalent Metal complexes by N2O2 -donor crown macrocyclic ligand”., Journal of Kufa for Chemical Sciences, 4(2), pp. 537–556. doi:10.36329/jkcm/2025/v4.i2.16481.