JCP, admin. “Elda Novitasari, Natalina Asi, Maria Arina Luardini: ANALYSIS THE CONTENT APPROPRIATENESS ENGLISH TEXTBOOK FOR TENTH GRADE STUDENTS OF SENIOR HIGH SCHOOL BY PRIVATE PUBLISHER”. Journal Compound : Improving the Quality of English Education 7, no. 2 (January 28, 2020): 26–39. Accessed April 20, 2024. https://e-journal.upr.ac.id/index.php/JCP/article/view/631.