Ravich, S., & Murugesan, C. (2016). Synthesis, Characterization and Antibacterial Activity of Cu(II), Co(II), Ni(II) and Zn(II) Complexes Using Mannich Base Ligand. Asian Journal of Chemistry, 28(6), 1281–1284. https://doi.org/10.14233/ajchem.2016.19654