Rekha, S., and K.R. Nagasundara. 2010. “Studies on Complexes of 2-(4-Aminophenyl) Benzimidazole With Zn(II), Cd(II) and Hg(II) Salts ”. Asian Journal of Chemistry 15 (2):987-90. https://asianpubs.org/index.php/ajchem/article/view/21734.