URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/source-determination-of-debris-avalanche-deposit-based-on-the-morphology-and-distribution-of-hummocky-hills-on-the-northeastern-flank-of-g---dcfcd07e645d245babe887e5e2daa016/694e3fb2-a9d6-11ee-abf0-e4434b0aade8
