Harefa, Darmawan. “HOMBO BATU A TRADITIONAL ART THAT CAN BE EXPLAINED WITH THE LAWS OF PHYSICS”. FAGURU: Jurnal Ilmiah Mahasiswa Keguruan 4, no. 1 (January 3, 2025): 264-276. Accessed July 7, 2025. https://www.jurnal.uniraya.ac.id/index.php/faguru/article/view/2459.