Yosi , Fitra, Sofia Sandi, Miksusanti, Nasir Rofiq, and Sutejo. 2016. “Nutrient Digestibility in Pegagan Ducks Fed Diet Containing Locally Sourced Ingredients Fermented With Yeast Inoculum”. International Journal of Poultry Science 15 (3): 103–110. https://doi.org/10.3923/ijps.2016.103.110.