Naik, D.S., and K.M. Purohit. “Mixed Chelates of Chromium(III) Containing Salicylaldehyde Thiosemicarbazone, Glycine and Nitrogen, Oxygen or Sulphur Donor Ligands”. Asian Journal of Chemistry, vol. 9, no. 2, Mar. 2010, pp. 275-7, https://asianpubs.org/index.php/ajchem/article/view/23850.