Kaji Banding Morfometri Spermatozoa Sapi Bali (Bos sondaicus) Menggunaican Pewarnaan Williams, Eosin, Eosin Nigrosin dan Formol-Saline= Comparative Study of Bali Bull Cattle (Bos sondaicus) Sperm Morphometry.. - Arifiantini, RI. (2006)