HASBÚN HASBÚN, L. Fossilization and Acquisition: A Study of Learner Language. Revista de Filología y Lingüística de la Universidad de Costa Rica, [S. l.], v. 33, n. 1, p. 113–129, 2008. DOI: 10.15517/rfl.v33i1.4280. Disponível em: https://revistas.ucr.ac.cr/index.php/filyling/article/view/4280. Acesso em: 21 nov. 2024.