Nugraheni, A., Safiroh, S., Rahayu, P., Widiarsih, P. and Ikaningrum, R. (2021) “The Presentation of Speaking Materials in English Textbook for High School Level”, Langua: Journal of Linguistics, Literature, and Language Education, 4(2), pp. 1-5. doi: 10.5281/zenodo.5540242.