JASZCZYK-GRZYB, Magdalena. Udo O.H. Jung. Investigativer Fremdsprachenunterricht. Norderstadt: BoD – Books on Demand. 2021. S. 474. Glottodidactica, [S. l.], v. 48, n. 2, p. 131–134, 2021. DOI: 10.14746/gl.2021.48.2.08. Disponível em: https://pressto.amu.edu.pl/index.php/gl/article/view/31241. Acesso em: 5 maj. 2024.