Reddivari, Chenna Krishna Reddy, et al. “ZnBr2-SiO2 Catalyzed Green Synthesis of Tetrazoles: Molecular Docking and Antioxidant Activity Studies”. European Journal of Chemistry, vol. 8, no. 1, Mar. 2017, pp. 66-75, doi:10.5155/eurjchem.8.1.66-75.1515.