SIAHAAN, Carolina; SIHALOHO, Damaris Nurtama; DAULAT LUMBANGAOL, Albert Welman; LIMBONG, Carlos Amos. Improving Students Ability in Writing Descriptive Text Through Self-Directed Learning for Eight rade at SMP N 9 Pematangsiantar. Jurnal Pendidikan Tambusai, [S. l.], v. 7, n. 1, p. 2431–2437, 2023. DOI: 10.31004/jptam.v7i1.5577. Disponível em: http://jptam.org/index.php/jptam/article/view/5577. Acesso em: 5 feb. 2025.