Irawan, Riski, and Nurlisa Ginting. “PERANCANGAN DISCOVERY CENTER DENGAN TEMA GEOPARK DI DESA TONGGING, KABUPATEN KARO”. Scientica: Jurnal Ilmiah Sains Dan Teknologi, vol. 3, no. 4, Apr. 2025, pp. 728-41, https://jurnal.researchideas.org/index.php/scientica/article/view/842.