“Analisis Perhitungan Luas Lahan Jalan Berbasis UAV Dan GPS  (Studi Kasus : Proyek PLTA Kabupaten Karo)”. Jurnal Serambi Engineering 10, no. 4 (September 28, 2025). Accessed June 29, 2026. http://jse.serambimekkah.id/index.php/jse/article/view/1174.