“SUPPLEMENTATION OF RDP (RUMEN DEGRADABLE PROTEIN) AND UDP (UNDEGRADABLE PROTEIN) IN SHEEP RATION AGAINST DEGRADATION OF DRY MATTER AND ORGANIC MATTER IN THE RUMEN IN VITRO” (2022) ANGON: Journal of Animal Science and Technology, 4(1), pp. 1–6. doi:10.20884/1.angon.2022.4.1.p1-6.