IN VITRO CATTLE RUMEN FERMENTED PRODUCTS FEEDED WITH PINEAPPLE LEAF SILAGE AS A SUBSTITUTE OF ELEPHANT GRASS. ANGON [Internet]. 2022 Mar. 31 [cited 2026 Aug. 3];4(1):105-14. Available from: http://jnp.fapet.unsoed.ac.id/index.php/angon/article/view/234