URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/ultrasound-assisted-extraction-of-patin-fish-oil--optimization-using-response-surface-methodology---box-behnken-design-dcfcd07e645d245babe887e5e2daa016/3df65aee-c03c-11f0-ae8a-e4434b0aa6de