Pengaruh pemberian prostaglandin Fla (PGF2a) terhadap kualitas semen dan kadar testosteron domba lokal=The Effect of prostaglandin Fla (PGF2a) on The Semen Quality and The Testosterone Level in The Local Ram - Perpustakaan UGM, i-lib ([Yogyakarta] : Universitas Gadjah Mada, 2005)