“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 Journal: Journal of Bilingualism, Organization, Research, Articles, Studies in Pedagogy, Anthropology, Theory, and Indigenous Cultures, vol. 1, no. 2, Aug. 2025, pp. 103-11, https://doi.org/10.64674/boraspatijournal.v2i1.10.