Astuti, Pudji, 		Tri Widayati, Diah, 		-, Sunendar, 		Suharto, Kresno, 		Kusumawati, Asmarani, AND 		Junaidi, Aris.
" CORRELATION OF PROGESTERONE AND CORTISOL PLASMA LEVELS BETWEEN OVULATED AND NON-OVULATED ETTAWA CROSSBREDS DOES" <em>Jurnal Veteriner</em> [Online], Volume 9 Number 1 (1 March 2008)