Jularti, E. . “IMPROVING STUDENTS VOCABULARY MASTERY BY USING FLASHCARD: (Experiment Research at Second Grade of Junior High School)”. Prosiding Seminar Nasional Pendidikan Universitas Subang (SENDINUSA), vol. 3, no. 1, June 2022, pp. 234-42, https://ejournal.unsub.ac.id/index.php/sendinusa/article/view/1313.