1. Zali M., Heryadi A.Y., Nurlaila S., Fanani Z., Madura Cattle Agribusiness Performance and Feasibility in Galis Region, Madura. J. Int. Adv. Multidiscip. Res. 5 (2018)
2. Hartatik T.S.D. Volkandari Sumadi, Relatedness Between Polymorphism Growth Hormone Gene and Growth Traits of Limousin Cross Madura cattle. Proceedings of the 15th AAAP Animal Science Congres. (2012)
3. Ngadiyono N.. Beternak Sapi Potong. PT Intan Sejati, Klaten. 23 (2012)
4. Wodaje H.B., Mekuria T.A.. Risk Factors of Repeat Breeding in Dairy Cattle. Advances in Biological Research. 4 (2016)
5. Rustamadji B., Ahmadi Kustono, and Sutarno T. 2007. Kinerja usaha peternakan sapi perah rakyat sebagai tulang punggung pembangunan persusuan nasional. Proceedings of Persusuan Nasional. Yogyakarta. Dies 38 Fapet UGM. (2007)