M.M. Yousaf, and Umer Nasar. “A Comparative Kinetic Study of Free and Immobilized Urease on Commercial and Glutaraldehyde Activated Cotton”. Journal of Basic & Applied Sciences 13 (January 5, 2017): 321–325. Accessed December 23, 2024. http://set-publisher.com/index.php/jbas/article/view/1664.