https://dispendik.situbondokab.go.id/berita/ https://vta.kemenhub.go.id/assets/
O K A, I. G. L .. " PERFORMANCE OF BALI HEIFERS AND CALVES PRIOR TO WEANING IN A FEEDLOT SYSTEM" Majalah Ilmiah Peternakan [Online], Volume 8 Number 2 (28 August 2012)