@book{9783732911721,
  title = {Let's enjoy Ukrainian B1},
  author = {Olena Pchelintseva,Olha Ihnatyeva},
  publisher = {Frank \& Timme},
  year = {2025},
  edition = {1},
  url = {https://www.frank-timme.de/en/programme/product/lets\_enjoy\_ukrainian\_b1}
}