Astuti, T., Akbar, S. A., Basyirun, F., Maulana, F., & harissatria, H. (2022). The Effect of Using Crude Enzymes of Cattle Rumen Contents as Bioactivator on the content of Dry Matter, Organic Matter and Crude Protein Content of Palm oil Fronds. Bantara Journal of Animal Science, 4(2), 47–51. https://doi.org/10.32585/bjas.v4i2.2827