GINTING, D.; HARAHAP, D. A.; DAILAMI, D.; PANJAITAN, A. Training Dan Pengajaran Toefl Preparation Pada Bagian Structure Bagi Siswa SMAN 2 Tanjungbalai. Medani : Jurnal Pengabdian Masyarakat, [S. l.], v. 2, n. 3, p. 102–105, 2023. DOI: 10.59086/jpm.v2i3.409. Disponível em: https://jurnal.risetilmiah.ac.id/index.php/jpm/article/view/409. Acesso em: 15 jan. 2025.