Prasdini, Widya Ayu, Rahayu, Sri, AND Djati, Mochammad Sasmito. " Penentuan Keberhasilan Involusi Uterus Sapi Perah Friesian Holstein Berdasarkan Kadar Estrogen Setelah Beberapa Penginjeksian Selenium-Vitamin E (DETERMINATION OF THE SUCCESS UTERINE INVOLUTION IN FRIESIAN HOLSTEIN DAIRY COW BASED ESTROGEN LEVELS AFTER MU" Jurnal Veteriner [Online], Volume 16 Number 3 (23 October 2015)