Rai, B.K., and Akhilesh Baluni. “Coordination Compounds of Co(II), Ni(II) and Cu(II) With Thiosemicarbazone of a Series of Quinazolone Derivatives: Their Preparation, Characterization and Structural Investigation”. Asian Journal of Chemistry, vol. 13, no. 2, Mar. 2010, pp. 725-9, https://asianpubs.org/index.php/ajchem/article/view/22656.