Abdullah, Rasha T., Abdulkareem J. Hashim, and JASIM M. Karhout. “Extruction of Keratinase from the Local Isolate Bacillus Licheniformis and Partially Purified and Characterized”. Journal of Biotechnology Research Center 3, no. 2 (June 1, 2009): 41–52. Accessed May 15, 2024. https://jobrc.org/index.php/jobrc/article/view/68.