Fadillah, J., Sari, S.P., Mustika, T.P. and Sinaga, M. 2026. Development of Lumi Education Learning Media in Learning Expository Text Writing Skills for Grade X Senior High School. Jurnal Pembelajaran Bahasa dan Sastra. 5, 2 (Mar. 2026), 1555–1564. DOI:https://doi.org/10.55909/jpbs.v5i2.1231.