kurniadi, nisfu, 		Tumbelaka, Ligaya, 		Amrozi, Amrozi, AND 		Priyanto, Langgeng.
" Ovarian Dinamics of Simmental Crossbreed Diagnosed Prolonged Oestrus Cows Treated With a Intravenous of Human Chorionic Gonadotrophin (hCG)" <em>Jurnal Veteriner</em> [Online], (30 September 2023)