Chakraborti, Indranil. “Synthesis, Magneto-Spectral and Thermal Studies of Cobalt(II) Complexes of 4-[N-(Benzalidene)amino]antipyrine Thiosemicarbazone and 4-[N-(2&Acute; -Hydroxybenzalidene)amino] Antipyrine Thiosemicarbazone ”. Asian Journal of Chemistry, vol. 15, no. 3, Mar. 2010, pp. 1795-02, https://asianpubs.org/index.php/ajchem/article/view/21906.