ASTUTI, S.; CHANDRA, N. E. Flashcard as Media in Teaching English: A Systematic Literature Review. Jurnal Sinestesia, [S. l.], v. 13, n. 1, p. 395–409, 2023. Disponível em: https://sinestesia.pustaka.my.id/journal/article/view/347. Acesso em: 9 oct. 2026.