M. CHANDRASEKHARAIAH, P. K. D, S. S. SANTOSH, C. PALANIVEL, S. CHIGURUPATI, and C. S. PRASAD, “Role of exogenous fibrolytic enzymes in ruminant feeding”, Indian J of Anim Sci, vol. 84, no. 4, pp. 350–356, Apr. 2014, doi: 10.56093/ijans.v84i4.39826.