Gupta, V., Singh, A., & Daga, K. (2010). Synthesis and Characterization of Complexes of Co2+, Ni2+, Cu2+, Zn2+, Cd2+, UO22+ and VO2+ with Biprotic Tridentate Ligand . Asian Journal of Chemistry, 14(1), 449–452. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/22036