Choosing an acceptable textbook is not a simple task since it may be a key component in most language program. It serves as language input and language practice for learners. It also provides the premise for content lesson, the variety of language practice for learner, and serves as a supplement for teacher's instruction. Teaching and learning a…

As the government of Indonesia is implementing a program of Vocational School Revitalization, improving the quality of instructional material, including the quality of textbooks. This study aims at analyzing how the English textbook for grade X of vocational high school has included diversity awareness, anti-violence, and vocational skills in…

Based on the findings of an error analysis revealing that Indonesian ninth- and tenth-graders had difficulties in solving context-based tasks, we investigated the opportunity-to-learn offered by Indonesian textbooks for solving context-based mathematics tasks and the relation of this opportunity-to-learn to students' difficulties in solving these…

This current study aimed at investigating Bahasa Indonesia textbooks with regards to local wisdom issues. The preliminary study was utilized as the basis for developing instructional materials of Bahasa Indonesia that are rich of characters. Bahasa Indonesia instructional materials containing local wisdoms not only equip students with broad…