PUPPEL, Stanisław. The protection of natural language diversity – fancy or duty?. Scripta Neophilologica Posnaniensia, [S. l.], n. 10, p. 97–109, 2019. DOI: 10.14746/snp.2009.10.07. Disponível em: https://pressto.amu.edu.pl/index.php/snp/article/view/18215. Acesso em: 28 mar. 2024.