Bhusnure, Omprakash G., et al. “OPTIMIZATION OF MICROWAVE ASSISTED SOLVENT-FREE SYNTHESIS OF SOME SCHIFF BASES”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 6, June 2015, pp. 124-8, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/5552.