PURWANTARA, B., H0IER, R., SCHMiDT, M., & GREVE, T. (2024). PREOVULATORY CHANGES AND OVULATION IN CATTLE UNDERGOING SPONTANEOUS OR CLOPROSTENOL-INDUCED LUTEOLYSIS. BIOTROPIA, 13(2). https://doi.org/10.11598/btb.2006.13.2.223