Mandala, A., Suwiti, N., & Suardana, I. (2019). The Growth Hormone Level of Bali Cattle’s Post Treatment with Ethinil Esthradiol and Progesteron Hormones in Combination with Mineral. Journal Of Veterinary And Animal Sciences, 2(1), 1-9. doi:10.24843/JVAS.2019.v02.i01.p01