Harefa, Darmawan. “INNOVATION IN SOCIAL SCIENCE LEARNING BASED ON LOCAL WISDOM: HOMBO BATU AS A CULTURAL EDUCATION MEDIA IN SOUTH NIAS”. Curve Elasticity: Jurnal Pendidikan Ekonomi 6, no. 1 (February 25, 2025): 15-27. Accessed July 4, 2025. https://jurnal.uniraya.ac.id/index.php/JPE/article/view/2555.