Bokhari, S., R. Yasmeen, A. W. . Qurashi, S. Habib, and U. Rafi. “Isolation of Keratinolytic from Chicken (Gallus Gallus Domesticus) Farms and Assessment of Their Efficacy in Feathers Degradation”. International Journal of Innovations in Science & Technology, vol. 3, no. 4, Dec. 2021, pp. 142-51, doi:10.33411/ijist/2021030401.