FRISKA SIMATUPANG; DWI PUSPITOSARI; LESTARI BATUBARA. Improving Students’ Vocabulary Skills Using Word Wall Media in Grade Seventh Students at SMP Negeri 2 Wamena. Jurnal Pustaka Cendekia Hukum dan Ilmu Sosial, [S. l.], v. 3, n. 3, p. 807–826, 2026. DOI: 10.70292/pchukumsosial.v3i3.235. Disponível em: https://pchukumsosial.org/index.php/pchs/article/view/235. Acesso em: 8 aug. 2026.