E. Sulistyowati, A. Sudarman, K. G. Wiryawan, and T. Toharmat, “Total Digestible Nutrient of Diet Containing PUFA- Concentrate Supplemented with Yeast and Curcuma xanthorrhiza Roxb for Dairy Goat”, Jurnal Sain Peternakan Indonesia, vol. 9, no. 2, pp. 110–116, Feb. 2015.