SHOXAFIZOVA , Nodina. The Impact of ChatGPT and Duolingo on Student Motivation and Engagement in Higher Education (2022–2024). The Lingua Spectrum, [S. l.], v. 4, n. 1, p. 973–981, 2025. Disponível em: https://lingvospektr.uz/index.php/lngsp/article/view/722. Acesso em: 26 apr. 2026.