I. B. G. Partama, T. G. B. Yadnya, A. A. A. S. Trisnadewi, and I. K. Sukada, “Fermented rice husk utilization of effective microorganisms-4 supplemented with Piper betle L. performance, meat quality, antioxidant capacity, and meat cholesterol levels of Bali duck”, ijls, vol. 2, no. 3, pp. 98–110, Nov. 2018.