AMITI, Flora. Exploring American Cultural Themes in Language Learning: A Qualitative Analysis of ’Focus 4’ EFL Textbook. ESI Preprints (European Scientific Journal, ESJ), [S. l.], v. 21, n. 5, p. 44, 2025. DOI: 10.19044/esj.2025.v21n5p44. Disponível em: https://esipreprints.org/index.php/esipreprints/article/view/1779. Acesso em: 5 mar. 2026.