Br Purba, Roh, Fenty Debora Napitupulu, & Usman Sidabutar.
" IMPROVING STUDENT'S VOCABULARY MASTERY BY USING THE FLY SWATTER GAME IN SEVENTH GRADE OF SMP N 31 MEDAN." <em>Jurnal Teknologi Mesin UDA</em> [Online], 2.2 (2024): n. pag. Web. 23 Feb. 2025