@article{volkova_2021,  title={The Threepenny Opera: a learning play in a laboratory of a late Soviet school},  volume={11},  ISSN={2237-2660},  url={https://doi.org/10.1590/2237-2660111282},  DOI={10.1590/2237-2660111282},  number={4},  journal={Revista Brasileira de Estudos da Presença},  publisher={Universidade Federal do Rio Grande do Sul},  author={Volkova, Viktoria},  year={2021},  pages={e111282} }