Peningkatan Kemampuan Berbicara Siswa Kelas X SLB Negeri Dolok Sanggul Dengan Penggunaan Media Gambar Berseri: Improving The Speaking Ability Of Grade X Students Of Dolok Sanggul State Special School With The Use Of Serialized Picture Media. BORASPATI [Internet]. 2025 Aug. 19 [cited 2026 Oct. 10];1(2):103-11. Available from: https://journal.batakstorypedia.com/index.php/boraspatijournal/article/view/10