https://dispendik.situbondokab.go.id/berita/ https://vta.kemenhub.go.id/assets/
Hilmawan, Fiqy, Nuraini, Henny, Priyanto, Rudy, AND Putra, Bramada Winiar. " Pengukuran Morfometrik Sapi Peranakan Ongole dan Kerbau Jantan dengan Metode Citra Digital (MORPHOMETRIC MEASUREMENT OF MALE ONGOLE CROSSBRED CATTLE AND BUFFALO BY DIGITAL IMAGE ANALYSIS )" Jurnal Veteriner [Online], Volume 17 Number 4 (16 January 2017)