Paenpong, Chaturong, Chunluang, Weerapun, AND Pratoomchai, Niwat. " Upgrading of Bio-oils from the Fast Pyrolysis of Longan Wood over the Low Cost Catalysts in a Fluidized Bed Reactor" Naresuan University Journal: Science and Technology (NUJST) [Online], Volume 26 Number 4 (15 November 2018)