Siahaan C, Sihaloho DN, Daulat Lumbangaol AW, Limbong CA. Improving Students Ability in Writing Descriptive Text Through Self-Directed Learning for Eight rade at SMP N 9 Pematangsiantar. jptam [Internet]. 2023 Mar. 3 [cited 2025 Feb. 5];7(1):2431-7. Available from: http://jptam.org/index.php/jptam/article/view/5577