Nathaniel, G., T. Annisa, A. Muktiani, D. W. Harjanti, and W. Widiyanto. “The Effect of Zinc-Proteinate Supplementation on the In Vitro Digestibility and Ruminal Fermentation in Goat”. ANIMAL PRODUCTION, Vol. 23, no. 3, Nov. 2021, pp. 180-6, doi:10.20884/1.jap.2021.23.3.116.