SHOFYAN, K. A.; HARAHAP, E. P.; RASDAWITA, R. Penerapan Model Pembelajaran Problem Bassed Learning Materi Teks Persuasi di Kelas VIII SMP. Pena : Jurnal Pendidikan Bahasa dan Sastra, [S. l.], v. 12, n. 2, p. 39-48, 2023. Disponível em: https://online-journal.unja.ac.id/pena/article/view/18907. Acesso em: 19 may. 2024.