SALARIAN , Hossein. An Investigation into English as a Foreign Language Textbooks in Vocational and Technical Schools. Action Research Journal Indonesia (ARJI), [S. l.], v. 7, n. 1, p. 492 – 510, 2025. DOI: 10.61227/arji.v7i1.323. Disponível em: https://journal.nahnuinisiatif.com/ARJI/article/view/323. Acesso em: 11 may. 2026.