Setiawati, Euis Nia, Mas Yedi Sumaryadi, Dadang Mulyadi Saleh, and Vony Armelia. 2021. “Effect of Estrus Synchronization With Prostaglandins (PGF2Α) and Gonadothropin Realising Hormone (GNRH) on the Hematological Profile of Pasundan Heifers During Pregnancy”. International Journal of Environment, Agriculture and Biotechnology 6 (2). https://journal-repository.com/index.php/ijeab/article/view/3340.