Ezhilarasi, J.R. et al. 2017. Synthesis, Characterization and Antimicrobial Screening of Mn(II), Ni(II) and Cu(II) Complexes of 3,4,5-Trihydroxy benzoic acid[1-(pyridyl)ethylidene]hydrazone. Asian Journal of Chemistry. 29, 12 (Oct. 2017), 2619–2622. DOI:https://doi.org/10.14233/ajchem.2017.20730.