Ananda, H. M., Wurlina, W., Hidajati, N., Hariadi, M., Samik, A., & Restiadi, T. I. (2020). HUBUNGAN ANTARA UMUR DENGAN CALVING INTERVAL, DAYS OPEN, DAN SERVICE PER CONSEPTION SAPIFRIESIAN HOLSTEIN (FH). Ovozoa: Journal of Animal Reproduction, 8(2), 94–99. https://doi.org/10.20473/ovz.v8i2.2019.94-99