Javeed, Faisal, Memuna Ghafoor Shahid, and Ali Javed. “Effect of Different Operational Parameters on Bio-Degradation of Chicken Feathers by Aspergillus Niger: Investigation Under Submerged Fermentation Process: Parameters on Bio-Degradation of Chicken Feathers”. Biological Sciences - PJSIR 63, no. 2 (July 15, 2020): 71–76. Accessed November 21, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1270.