RINA WATI. The Effectiveness of Poster Media in Improving Students’ Vocabulary Mastery. Spes: Journal Education and Languange, [S. l.], v. 2, n. 1, p. 1–8, 2026. Disponível em: https://journal.stkip-us.ac.id/index.php/spes/article/view/46. Acesso em: 12 jun. 2026.