Desinawati, N, and N Isnaini. 2012. “PENAMPILAN REPRODUKSI SAPI PERANAKAN SIMMENTAL DI KABUPATEN TULUNGAGUNG JAWA TIMUR”. TERNAK TROPIKA Journal of Tropical Animal Production 11 (2):41-47. https://ternaktropika.ub.ac.id/index.php/tropika/article/view/101.