Adriani, A. and Novra, A. 2018. Peningkatan Kualitas Biourin Dari Ternak Sapi Yang Mendapat Perlakuan Trychoderma harzianum The Increase of Biourine Quality From Cow Treated With Trychoderma harzianum. Jurnal Ilmiah Ilmu-Ilmu Peternakan. 20, 2 (Mar. 2018), 77-84. DOI:https://doi.org/10.22437/jiiip.v20i2.4716.