MUHAMAD SAHLAN, et al. “Functional Characterizations Of Group II Chaperonin And Prefoldin From Hyperthermophilic Thermococcus Sp. KS-1 In Organic Co-Solvent”. International Journal of Pharma and Bio Sciences, vol. 2, no. 2`, Mar. 2011, pp. 305-12, https://ijpbs.net/index.php/journal/article/view/829.