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K. Dawood, S. and سعد 1970. Synthesis and Characterization of Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II) Complexes with Hexa azamacrocyclic Ligands Derived from Thiosemicarbazide. Journal of Education and Science (JES). 24, 4 (Jan. 1970), 60–67. DOI:https://doi.org/10.33899/edusj.1970.58957.