URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/utilization-of-sapwood-waste-of-fast-growing-teak-in-activated-carbon-production-and-its-adsorption-properties-dcfcd07e645d245babe887e5e2daa016/2beb04cd-f5d5-11ee-84b3-e4434b0aa6de