NUGRAHA, Hendra. Analyzing the Suitability of Cambridge ESL Textbook for Grade IX with K-13. Linguistic, English Education and Art (LEEA) Journal, [S. l.], v. 5, n. 2, p. 272–285, 2022. DOI: 10.31539/leea.v5i2.3159. Disponível em: https://journal.ipm2kpe.or.id/index.php/LEEA/article/view/3159. Acesso em: 8 apr. 2025.