PERFORMA AYAM BROILER YANG DIBERI UMBI DAN DAUN UBI UNGU (Ipomoea batatas l) DALAM RANSUM. STAP [Internet]. 2020 Jul. 21 [cited 2025 Oct. 30];7:296-301. Available from: https://jnp.fapet.unsoed.ac.id/index.php/psv/article/view/564