URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/a-survey-of-potential-and-frequency-used-of-local-feedstuffs-in-the-concentrate-formulations-for-beef-cattle-feedlot-in-indonesia-dcfcd07e645d245babe887e5e2daa016/60e78fe6-3783-11ef-ae9c-e4434b0aa6de
