SOUZA DA SILVA, P. H.; RODRIGUES DE LIMA, M.; TERESINHA SARTORI, A. Teaching Portuguese and the problematic approach of linguistic variation in textbooks. Entretextos, Londrina, v. 23, n. 3, p. 28–48, 2023. DOI: 10.5433/1519-5392.2023v23n3p28-48. Disponível em: https://ojs.uel.br/revistas/uel/index.php/entretextos/article/view/49421. Acesso em: 20 may. 2024.