The Effectiveness of Using Picture Strategy in Improving Speaking Abilty At The Second Grade Of SMA Negeri 3 Pematangsiantar. Bilingual : Jurnal Pendidikan Bahasa Inggris, [S. l.], v. 4, n. 1, p. 18–23, 2022. DOI: 10.36985/1aaz7m45. Disponível em: http://jurnal.usi.ac.id/index.php/jbl/article/view/1004. Acesso em: 10 jan. 2025.