GEZAHEGN, G. . An Evaluation of the Presentation and Practice of Grammar in Grade 9 English Language Textbook. The Ethiopian Journal of Education, [S. l.], v. 38, n. 1, p. 135–174, 2021. Disponível em: https://ejol.aau.edu.et/index.php/EJE/article/view/1661. Acesso em: 4 apr. 2025.