Thanasilp, S., J. W. Schwank, V. Meeyoo, S. Pengpanich, and M. Hunsom. “Liquid Phase Oxydehydration of Glycerol to Acrylic Acid over Supported Silicotungstic Acid Catalyst: Influence of Reaction Parameters”. Science, Engineering and Health Studies, vol. 10, no. 2, July 2016, pp. 9-21, doi:10.14456/sustj.2016.16.