Sihombing, Sakkiel, Ira Kusuma Dewi, and Christofel Haposan Great Sibuea. “Identifikasi Litologi Bawah Permukaan Daerah Rawan Longsor Menggunakan Metode Geomagnetik Di Tikungan Tirtanadi Desa Batu Layang Kecamatan Sibolangit Kabupaten Deli Serdang: Identification of Subsurface Lithology in Landslide Prone Areas Using Geomagnetic Method at Tirtanadi Bend, Batu Layang Village, Sibolangit District, Deli Serdang Regency”. JTK (Jurnal Teknik Kebumian) 10, no. 01 (August 9, 2024): 11-17. Accessed August 25, 2024. https://online-journal.unja.ac.id/jtk/article/view/30789.