“Amino Acids Isolation from α-keratin of Javanese Goat (Capra hircus) Hair and Garut Sheep (Ovis aries) Hair Waste Using Acid Hydrolysis Method as BCAA Supplement” (2024) Jurnal Kimia Valensi, 10(1), pp. 123–132. doi:10.15408/jkv.v10i1.38146.