... are the cohesive devices used in the textbook Tiếng Anh 12 – Ban Cơ Bản for grade - 12 students general throughout Vietnam? How can the findings help teachers and their students in the teaching... cohesion, and the textbook Chapter 2: Findings and discussion of textbook observation analyses cohesive devices in the reading texts in the textbook for intermediate grade 12 students, basing on the view... table in the appendix, it has been proved that reference is among the most prominent cohesive devices in reading texts in the observed textbook with 658 instances Basing on the theory in chapter