Utari MD, Mandarani V. Flashcards Improve Junior High Students Vocabulary Achievement: Kartu flash meningkatkan pencapaian kosakata siswa SMP. ijemd [Internet]. 2026 Feb. 20 [cited 2026 Feb. 28];21(4):10.21070/ijemd.v21i4.1045. Available from: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/1045