Heni Okta Darma, Merry Prima Dewi, Loli Safitri, Widya Safitri. The Effect Of Word Wall Media On Students’ Vocabulary Mastery At The 7th Grade Of SMPN 3 Kec. Pangkalan Koto Baru. atmosfer [Internet]. 2023 May 3 [cited 2024 Jul. 7];1(2):124-36. Available from: https://pbsi-upr.id/index.php/atmosfer/article/view/68