“ IMPROVING STUDENTS VOCABULARY MASTERY BY USING FLASHCARD: (Experiment Research at Second Grade of Junior High School)” (2022) Prosiding Seminar Nasional Pendidikan Universitas Subang (SENDINUSA), 3(1), pp. 234–242. Available at: https://ejournal.unsub.ac.id/index.php/sendinusa/article/view/1313 (Accessed: 21 June 2026).