Harefa, D. 2026. THE ROLE OF THE NIAS LANGUAGE IN STRENGTHENING SCIENCE CONCEPTS WITHIN A LOCAL CULTURAL CONTEXT IN SENIOR HIGH SCHOO. KOHESI : Jurnal Pendidikan Bahasa dan Sastra Indonesia. 6, 2 (Mar. 2026), 47-60. DOI:https://doi.org/10.57094/kohesi.v6i2.4775.