“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, vol. 1, no. 2, pp. 103–111, Aug. 2025, doi: 10.64674/boraspatijournal.v2i1.10.