S. Ismail, Abdel-Mohsen, Mostafa M. El-Abd, and Nabil H. El-Sayed. “Production of Keratinolytic Enzymes from Industrial Wastes for Employing in Leather Industry”. Journal of Innovations in Pharmaceutical and Biological Sciences 3, no. 3 (July 5, 2016): 86–94. Accessed May 5, 2024. https://jipbs.com/index.php/journal/article/view/167.