The Road to Mastery: Strategies and Challenges in Moving from B2 to C1/C2 Levels. American Journal of Language, Literacy and Learning in STEM Education (2993-2769), [S. l.], v. 3, n. 9, p. 60–63, 2025. Disponível em: https://grnjournal.us/index.php/STEM/article/view/8306. Acesso em: 16 jan. 2026.