Singh, N.P. et al. 2020. Novel Cr(III), Co(II), Zn(II) and Cd(II) Complexes of Schiff Base Ligand Derived from Salicyaldehyde and 3,4-Diaminotoluene: Synthesis, Characterization and Biological Screening. Asian Journal of Chemistry. 32, 5 (Apr. 2020), 1091–1096.