Suprayudi, M., W. Dimahesa, D. Jusadi, M. Setiawati, and J. Ekasari. “Suplementasi Crude Enzim Cairan Rumen Domba Pada Pakan Berbasis Sumber Protein Nabati Dalam Memacu Pertumbuhan Ikan Nila (Oreochromis Niloticus) [Liquid Rumen Crude Enzyme Supplementation in the Plant Protein Based Diet on Growth Performance of Nile Tilapia (Oreochromis Niloticus)]”. Jurnal Iktiologi Indonesia, Vol. 11, no. 2, June 2017, pp. 177-83, doi:10.32491/jii.v11i2.141.