KREY, T. A Comparative Study on Long-Term Vocabulary Recall: Word Lists and Vocabulary Trainer. Journal of Language and Culture, Nakhon Pathom, Thailand, v. 27, n. 2, p. 41, 2014. Disponível em: https://so03.tci-thaijo.org/index.php/JLC/article/view/21576. Acesso em: 17 sep. 2026.