Zehra, Beena, Hafiz Rub Nawaz, Barkat Ali Solangi, and Uzma Nadeem. “Extraction of Protein from Chrome Shavings, Modification With Acrylic Monomers and Further Re-Utilization in Leather Processing”. American Scientific Research Journal for Engineering, Technology, and Sciences 52, no. 1 (February 7, 2019): 98–104. Accessed April 29, 2024. https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4551.