Suryani, H., Zain, M., Jamarun, N., & Ningrat, R. (2015). Peran Direct Fed Microbials (DFM) Saccharomyces cerevisiae dan Aspergillus oryzae terhadap Produktivitas Ternak Ruminansia : Review. Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science), 17(1), 27–37. https://doi.org/10.25077/jpi.17.1.27-37.2015