THE IMPACT OF VOCABULARY BUILDING ON IMPROVINGSTUDENTS’ SPEAKING SKILLS IN CLASS IX RIYADHUSSALAM ISLAMIC JUNIOR HIGH SCHOOL. Jurnal Serumpun Mendidik STKIP Syekh Manshur [Internet]. 2024 Jan. 30 [cited 2026 Apr. 15];1(1, Januari):41-53. Available from: https://jurnal.edusm.id/index.php/sm/article/view/12