Kumar, M., and Arabinda Kumar Sinha. “Synthesis and Characterization of Mn2+, Fe2+, Co2+ and Ni2+, Complexes of Schiff Base Derived from Phenylene Diamines and 3-Carboxaldehyde ”. Asian Journal of Chemistry 6, no. 4 (March 30, 2010): 782–788. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/24675.