Harefa, D. “EXPLORATION OF THE HOMBO BATU TRADITION OF NIAS AS A STEM LEARNING MEDIA: INTEGRATION OF BIOLOGY, PHYSICS, AND MATHEMATICS”. TUNAS : Jurnal Pendidikan Biologi, Vol. 6, no. 2, Oct. 2025, pp. 1-23, doi:10.57094/tunas.v6i2.4080.