Hartoyo, Bambang, Titin Widyastuti, Sri Rahayu, and Raden Singgih Sugeng Santoso. “The Study of Protein Hydrolysis and Peptide Antioxidants Activity of Chicken Slaughterhouse Waste and Its Potential for Feed Additives”. ANIMAL PRODUCTION 24, no. 2 (July 29, 2022): 97-103. Accessed September 18, 2024. http://jap.fapet.unsoed.ac.id/index.php/JAP/article/view/133.