Amiti, Flora. “Exploring American Cultural Themes in Language Learning: A Qualitative Analysis of ’Focus 4’ EFL Textbook”. ESI Preprints (European Scientific Journal, ESJ) 21, no. 5 (February 28, 2025): 44. Accessed March 5, 2026. https://esipreprints.org/index.php/esipreprints/article/view/1779.