Synthesis, Characterization and Antimicrobial Activities of Mixed Ligand Complexes of Fe (II), Co(II), Ni(II) and Cu (II) Ions Derived from Imine of Benzidine and o-phenylenediammine. Iraqi Journal of Science. 2020;61(11):2762-2775. doi:10.24996/ijs.2020.61.11.2