The Impact of Project-Based Learning on Vocabulary Retention among Grade 5 Learners: A Study at Ngo Thoi Nhiem Primary School, Ho Chi Minh City. The International Journal of Language Studies (ISSN : 3078 - 2244), [S. l.], v. 3, n. 2, p. 180–198, 2026. DOI: 10.60087/ijls.vol3.n2.011. Disponível em: https://ijlangstudies.org/index.php/home/article/view/v3.n2.011. Acesso em: 21 sep. 2026.