T. Numan, Ahmed, et al. “Synthesis, Characterization and Antibacterial Activities of Ligand Type N2O4 Schiff Base and Its Novel Complexes With Co(II), Ni(II), Cu(II) and Zn(II) Ions”. Iraqi Journal of Pharmaceutical Sciences, vol. 19, no. 1, Mar. 2017, pp. 38-47, https://doi.org/10.31351/vol19iss1pp38-47.