“Evaluasi Pendekatan Hybrid Dalam Pengukuran Volume Stockpile Batubara Menggunakan UAV, GNSS RTK dan Total Station”, jse, vol. 10, no. 4, Oct. 2025, Accessed: Jul. 03, 2026. [Online]. Available: https://jse.serambimekkah.id/index.php/jse/article/view/1265