Points, Levels, and Streaks in Primary EFL: Effects on Vocabulary Growth and Engagement. Journal of Data Analysis and Critical Management, [S. l.], v. 1, n. 04, p. 20–34, 2025. DOI: 10.64235/w0xjdy03. Disponível em: https://jdacm.com/index.php/jdacm/article/view/66. Acesso em: 30 nov. 2025.