https://dispendik.situbondokab.go.id/berita/ https://vta.kemenhub.go.id/assets/
Hutagaol, Wanda Della Oktarin, Soma, I Gede, AND Batan, I Wayan. " Laporan Kasus: Rickets pada Anak Anjing Hasil Persilangan" Indonesia Medicus Veterinus [Online], (30 November 2018)