Hartati, I. et al. 2012. EFFECT OF pH AND MANGANESE KATION ON THE ACTIVITY OF COW RUMEN FLUID CELLULASE ENTRAPPED IN CALCIUM ALGINATE BEADS. Majalah Ilmiah Momentum. 8, 2 (Oct. 2012). DOI:https://doi.org/10.36499/jim.v8i2.423.