“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” (2025) Boraspati Journal: Journal of Bilingualism, Organization, Research, Articles, Studies in Pedagogy, Anthropology, Theory, and Indigenous Cultures, 1(2), pp. 103–111. doi:10.64674/boraspatijournal.v2i1.10.