Ellin Nurhayati, Rachel Putri Andra, Indah Sulistyowati F, Rizka Radiana, Elyza Martiarini. A Content Analysis Of English For Nusantara Grade Ix Textbook Based On Elt Principles. IJETER [Internet]. 2026Jul.8 [cited 2026Nov.4];4(03):189-03. Available from: https://e-journal.citakonsultindo.or.id/index.php/IJETER/article/view/5027