Parapat, Jobit, Anik Hilyah, Widya Utama, and Tony Rahadinata. 2025. “emodelan 3D ata aya erat ntuk engidentifikasi umber anas aerah anas umi ipoholon, umatera tara”. urnal eosaintek 3 (3). https://journal.its.ac.id/index.php/geosaintek/article/view/6603.