Apichon Watcharenwong และผู้แต่งคนอื่นๆ. (2007) Preparation and characterization of tungsten trioxide-titanium dioxide composite film and its applications in heterogeneous photocatalysis. Chulalongkorn University:ม.ป.ท.Apichon Watcharenwong และผู้แต่งคนอื่นๆ. 2007. Preparation and characterization of tungsten trioxide-titanium dioxide composite film and its applications in heterogeneous photocatalysis. ม.ป.ท.:Chulalongkorn University;Apichon Watcharenwong และผู้แต่งคนอื่นๆ. Preparation and characterization of tungsten trioxide-titanium dioxide composite film and its applications in heterogeneous photocatalysis. ม.ป.ท.:Chulalongkorn University, 2007. Print.