URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/mathematical-model-of-astaxanthin-purification-process-using-the-low-pressure-column-chromatography-method-dcfcd07e645d245babe887e5e2daa016/4cb5aa98-b029-11ee-abf0-e4434b0aade8