LUDWIG, Carlos. Grammaticalization of Palm-up in Libras: A Corpus-Based Analysis: A CORPUS-BASED ANALYSIS. Acta Semiótica et Lingvistica, [S. l.], v. 34, n. 1, p. 54–75, 2026. DOI: 10.20873/asel.v34i1.22646. Disponível em: https://sistemas.uft.edu.br/periodicos/index.php/actas/article/view/22646. Acesso em: 8 nov. 2026.