WIERTLEWSKA, Janina. Language planning and language policy in the ecological perspective. Glottodidactica, [S. l.], v. 39, n. 1, p. 117–126, 2012. DOI: 10.14746/gl.2012.39.1.11. Disponível em: https://pressto.amu.edu.pl/index.php/gl/article/view/347. Acesso em: 25 kwi. 2024.