Ashma, A. et al. 2017. Synthesis, Characterization and Antimicrobial Studies of Mannich Base Derived from 2-Methyl Benzimidazole and its Metal Complexes. Asian Journal of Chemistry. 29, 11 (Sep. 2017), 2501–2503. DOI:https://doi.org/10.14233/ajchem.2017.20815.