Rai, B.K. “Complexes of Co(II), Ni(II) and Cu(II) With 3-Phenyl Quinazoline-4(3H)-One Carboxaldehyde Semicarbazone and Thiosemicarbazone ”. Asian Journal of Chemistry, vol. 14, no. 3, Mar. 2010, pp. 1589-94, https://asianpubs.org/index.php/ajchem/article/view/22443.