Abd. Halim, A. A. “Guanidine Hydrochloride-Induced Denaturation of Bovine Serum Albumin: A Comparative Study and Analysis Using Different Probes”. Malaysian Journal of Science, vol. 27, no. 2, Sept. 2008, pp. 9-17, https://juku.um.edu.my/index.php/MJS/article/view/7866.