Hillo, Nassir, and Noor M. Ahmed Al-Amery. “Enhancing and Utilizing the Production of Keratinase Enzymes from Bacillus Amyloliquefaciens for the Recycling of Feather Waste”. University of Thi-Qar Journal of Science, vol. 12, no. 1, June 2025, pp. 238-44, https://doi.org/10.32792/utq/utjsci/v12i1.1386.