NAUMČIUK, T.; BARANOVA, S. Effective Teaching Methods for Developing Adult Learners’ Spoken Foreign Language Skills: A Systematic Review. Andragogy Adult Education and Social Marketing, [S. l.], v. 5, n. 5, 2025. DOI: 10.15503/andr2025.8. Disponível em: https://andragogy.pl/index.php/andragogy/article/view/1556. Acesso em: 25 jan. 2026.