URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/characteristics-and-performance-of-carabiner-remodeling-using-3d-printing-with-graded-filler-and-different-orientation-methods-dcfcd07e645d245babe887e5e2daa016/7dbf8e5b-d5c5-11ec-a66b-e4434b0aade8
