@article{rad_2017,  title={An Efficient Protocol for Facile Synthesis of New 5-Substituted-1<i>H</i>-Tetrazole Derivatives Using Copper-Doped Silica Cuprous Sulfate (CDSCS) as Heterogeneous Nano-Catalyst},  volume={28},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20160138},  DOI={10.5935/0103-5053.20160138},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Rad, Mohammad Navid Soltani},  year={2017},  month={Jan},  pages={11–20} }