URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/association-of-leptin-gene-polymorphism-with-growth-in-crossbred-cattle-through-pcr-rflp-analysis-dcfcd07e645d245babe887e5e2daa016/4d2efbea-89e3-11ef-a04f-00505691351c