SOPATA, Aldona. Early foreign language education – the sooner the better?. Glottodidactica, [S. l.], v. 36, p. 95–105, 2010. DOI: 10.14746/gl.2010.36.08. Disponível em: https://pressto.amu.edu.pl/index.php/gl/article/view/16433. Acesso em: 9 dec. 2025.