CÁRDENAS, Melba Líbia B.; MALAGON, Laura. The formation of study groups: experiences in the outset of a permanent English teacher development program. Signum: Estudos da Linguagem, [S. l.], v. 10, n. 1, p. 73–94, 2007. DOI: 10.5433/2237-4876.2007v10n1p73. Disponível em: https://ojs.uel.br/revistas/uel/index.php/signum/article/view/3969. Acesso em: 3 jul. 2024.