Manurung, D. S.; Lestari, L.; Hutagalung, C. N.; Banjarnahor, E.; Saragih, E. CONTENT ANALYSIS OF 11TH GRADE ENGLISH TEXTBOOK (2017 REVISE EDITION) PUBLISHED BY KEMENTERIAN PENDIDIKAN DAN KEBUDAYAAN REPUBLIK INDONESIA. JH 2019, 10, 99-104.