Lakkana Laopaiboon. 2008. Ethanol production from sweet sorghum stem juice using very high gravity (VHG) technology. Khon Kaen:Khon Kaen University;
Lakkana Laopaiboon. (2008) Ethanol production from sweet sorghum stem juice using very high gravity (VHG) technology (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.
Lakkana Laopaiboon. Ethanol production from sweet sorghum stem juice using very high gravity (VHG) technology. Khon Kaen:Khon Kaen University, 2008.
Lakkana Laopaiboon. (2008) Ethanol production from sweet sorghum stem juice using very high gravity (VHG) technology (รายงานผลงานวิจัย). Khon Kaen University:Khon Kaen.