Maurya, Shyam Dev, and Anurag Singh. “Extraction and Characterization of Keratin from Waste Broiler Chicken Feathers”. Environmental Protection Research 3, no. 2 (November 24, 2023): 372–381. Accessed November 23, 2024. https://ojs.wiserpub.com/index.php/EPR/article/view/3579.