VERMA, PARUL, and PANKAJ SRIVASTAVA. “Synthesis, Structural Characterization and Biological Screening of Manganese(II) Complexes Derived from Schiff Bases Containing Semicarbazone”. Asian Journal of Chemistry, vol. 22, no. 6, May 2010, pp. 4234-8, https://asianpubs.org/index.php/ajchem/article/view/16731.