URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/recent-progress-on-natural-fibers-mixed-with-cfrp-and-gfrp--properties--characteristics--and-failure-behaviour-dcfcd07e645d245babe887e5e2daa016/200a03c7-6eb7-11ed-a7a2-e4434b0aade8