IKA PURNAMA SARI; SINURAT, J. . Improving Students’ Vocabulary Mastery by Using Audio-Lingual Method on Grade VIII Students of SMP Negeri 4 Pematang Siantar. Journal of Classroom Action Research , [S. l.], v. 1, n. 1, p. 1–7, 2022. DOI: 10.52622/jcar.v1i1.49. Disponível em: https://journal.eltaorganization.org/index.php/jcar/article/view/49. Acesso em: 13 may. 2026.