HAN, Le Truong; HUYEN, Phan Thi Thanh. Impacts of Wordwall Online Games on Vocabulary Retention and Attitudes Among EFL High School Learners . RA Journal of Applied Research, [S. l.], v. 11, n. 11, p. 1065–1072, 2025. DOI: 10.47191/rajar/v11i11.14. Disponível em: https://rajournals.in/index.php/rajar/article/view/1813. Acesso em: 24 oct. 2026.