Habiburrahman, M., Aulia, A. S. S., Nur, N. R. T. and Lubis, Y. L. (2025) “The Importance of Grammar in Communication”, EJI (English Journal of Indragiri): Studies in Education, Literature, and Linguistics, 9(2), pp. 498–512. doi: 10.61672/eji.v9i2.3002.