“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, vol. 61, no. 11, Nov. 2020, pp. 2762-75, https://doi.org/10.24996/ijs.2020.61.11.2.