Jaszczyk-Grzyb M. Udo O.H. Jung. Investigativer Fremdsprachenunterricht. Norderstadt: BoD – Books on Demand. 2021. S. 474. 10.14746/gl [Internet]. 2021 Dec. 30 [cited 2026 Jan. 1];48(2):131-4. Available from: https://pressto.amu.edu.pl/index.php/gl/article/view/31241