Digestibility of Crude Protein and Crude Fiber Goat Feed that Given Betel Leaf (Piper betle Linn) in the Feed Based on Ammoniated Rice Straw. ANGON : J. Anim. Sci. Tech. [Internet]. 2020 Jul. 7 [cited 2025 Nov. 2];2(2):106-1. Available from: https://jnp.fapet.unsoed.ac.id/index.php/angon/article/view/118