Using Copilot to Foster Utterance Fluency of Undergraduates: A Multiple Case Study. Computer-Assisted Language Learning Electronic Journal, [S. l.], v. 26, n. 4, p. 396–417, 2025. DOI: 10.54855/. Disponível em: https://callej.org/index.php/journal/article/view/690.. Acesso em: 25 nov. 2025.