Weerachai Sangchay และ Kornkanok Ubolchollakhat. (2016) Photocatalytic and antibacterial activity of ZnO powders prepared via sol-gel method. <i>KKU Engineering Journal</i>, <i>43</i>(1), 21-25.Weerachai Sangchay และ Kornkanok Ubolchollakhat. "Photocatalytic and antibacterial activity of ZnO powders prepared via sol-gel method". KKU Engineering Journal 43 (2016):21-25.Weerachai Sangchay และ Kornkanok Ubolchollakhat. Photocatalytic and antibacterial activity of ZnO powders prepared via sol-gel method. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.