XU, Jinfen; YE, Fan. Two decades of research on ELT textbook content: A bibliometric and content analysis. Studies in Second Language Learning and Teaching, [S. l.], v. 16, n. 1, p. 165–190, 2025. DOI: 10.14746/ssllt.39278. Disponível em: https://pressto.amu.edu.pl/index.php/ssllt/article/view/39278. Acesso em: 4 aug. 2026.