W. P. Lokapirnasari, A. M. Sahidu, T. Nurhajati, K. Soepranianondo, and A. B. Yulianto, “Potency of Bacillus cereus WPL 415 to Increase Crude Protein and Decrease Crude Fiber of Animal Feed Stuff”, KLS, vol. 3, no. 6, pp. 579-587, Dec. 2017.