URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/effect-of-dietary-supplementation-with-zinc-methionine-on-ruminal-enzyme-activities--fermentation-characteristics--methane-production--and-n-dcfcd07e645d245babe887e5e2daa016/cbff326e-84ab-11ee-abf0-e4434b0aade8
