1.
Juliani R, Sembiring T, Sitepu M, Motlan . Geophysical Study for Discovering The Missing of Lau Ketuken from The Surface at Sulkam Village. IJSBAR [Internet]. 2015 May 17 [cited 2025 Sep. 13];22(1):360-6. Available from: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4020