Ika Purnama Sari, and Jernih Sinurat. 2022. “Improving Students’ Vocabulary Mastery by Using Audio-Lingual Method on Grade VIII Students of SMP Negeri 4 Pematang Siantar”. Journal of Classroom Action Research 1 (1):1-7. https://doi.org/10.52622/jcar.v1i1.49.