Thanasilp, Sarawalee, Johannes W. Schwank, Vissanu Meeyoo, Sitthiphong Pengpanich, and Mali Hunsom. 2016. “Liquid Phase Oxydehydration of Glycerol to Acrylic Acid over Supported Silicotungstic Acid Catalyst: Influence of Reaction Parameters”. Science, Engineering and Health Studies 10 (2):9-21. https://doi.org/10.14456/sustj.2016.16.