M. F. Adisa, A. A. Akerele, J. B. Adenika, T. U. Aiyeminimowa, and F. M. Olajuyigbe, “Response Surface Methodology for Enhanced Keratinase and Disulphide Reductase Production by Bacillus subtilis CFB-09 for Cow Hoof Biodegradation”, Jostir, vol. 1, no. Special-Issue, Feb. 2026.