Kurniawan, S., Handarini, R., & dihansih, elis. (2019). GIVING RESPONSE GNRH HORMONE, ESTROGEN, PROGESTERONE AND PROSTAGLANDIN IN ESTRUS SYNCHRONIZATION IMPLEMENTATION ESTROUS COW RECIPIENT FRIESIAN HOLSTEIN. Jurnal Peternakan Nusantara, 4(2), 93–98. https://doi.org/10.30997/jpnu.v4i2.1540