S. Sanchai, C. Sontag, and P. Dechprasittichok, “Adsorption, Kinetic and Thermodynamic Studies of Whitening Agent by the Use of Acid Treated Stem Ginger Fibers (ATSGF)”, J Food Health Bioenv Sci, vol. 9, no. 2, pp. 75–93, May 2016.