Phan, Uyen Nguyen, and Phuong Lan Tran. “Conditions for Hydrolysing Catfish by-Product As Food for Tam Hoang Chicken by Bacillus Subtilis”. Dong Thap University Journal of Science, no. 35, June 2023, pp. 99-105, doi:10.52714/dthu.35.12.2018.652.