SYAFITRI, R.; MAISAROH, E. Improving Students’ Speaking Ability Through Picture Series: A Classroom Action Research at MTs Darul Ulum Budi Agung Medan . Nusantara: Jurnal Pendidikan Indonesia, [S. l.], v. 5, n. 4, p. 994–1006, 2025. DOI: 10.62491/njpi.2025.v5i4-12. Disponível em: http://journal.rumahindonesia.org/index.php/njpi/article/view/1917. Acesso em: 21 jan. 2026.