AMIRUDDIN; RAZAQ, Yusuf. The Use of Flashcards to Improve Students’ Vocabulary Achievement. ETDC: Indonesian Journal of Research and Educational Review , [S. l.], v. 1, n. 2, p. 145–151, 2022. DOI: 10.51574/ijrer.v1i2.332. Disponível em: https://www.etdci.org/journal/ijrer/article/view/332. Acesso em: 8 oct. 2025.