Wulandari, Yuni, Indah Damayanti, and Alamsyah Harahap. 2019. “THE ANALYSIS OF THE PROPORTION OF LANGUAGE SKILLS IN ENGLISH TEXTBOOK GRADE XI PUBLISHED BY KEMENDIKBUD 2014”. Journal of English Education and Teaching 2 (3):40-49. https://doi.org/10.33369/jeet.2.3.40-49.