ADAMCZAK-KRYSZTOFOWICZ, Sylwia. Zum Gedenken an Prof. Dr. habil. Waldemar Pfeiffer (1938–2026). Glottodidactica, [S. l.], v. 53, n. 1, p. 5–8, 2026. Disponível em: https://pressto.amu.edu.pl/index.php/gl/article/view/55371. Acesso em: 5 aug. 2026.